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The Scientometric Analysis of Material Recycling in Sustainable Construction 可持续建筑材料回收的科学计量分析
Pub Date : 2023-03-28 DOI: 10.56038/oprd.v2i1.229
Gadah Hashoosh
The construction sector is one of the sectors that have a great impact on the environment, and it isone of the sectors that consume energy and resources, so it was necessary to achieve sustainabledevelopment for this sector, which is very important and vital, as the depletion of resources,carbon dioxide emissions, the development of building materials, and their high prices, With thepresence of large amounts of waste resulting from demolition and replacement around the world,and most of these wastes are hazardous, their disposal may cause environmental pollution, It wasnecessary to research the methods that solve the problem of waste, to achieve the requiredsustainability, and the recycling of waste was the most important of these methods, so we did inthis research a scientometric analysis, It was necessary to discuss the methods that solve theproblem of waste, to achieve the required sustainability, and waste recycling was the mostimportant of these methods, so in this research we made a cytometric analysis, which in turn isconsidered one of the methods of sustainability of references in this field, which in turn leads tothe practical sustainability of operations Construction management and waste management,Where we have collected studies, research and articles related to the subject of recycling, from2010 to 2022, in a table, easy to refer to, as well as the most important keywords, the mostimportant sources of production and publication of articles and maps that explain this, Inaddition to presenting some of the most important construction waste and how to recycle andbenefit from it, so that we have combined reference and practical sustainability and linked themto achieve sustainability in general in the field of construction management, Where we havecollected studies, research, and articles related to the subject of recycling, from 2010 to 2022, in atable, easy to refer to, as well as the most important keywords, the most important sources ofproduction and publication of articles and maps that explain this, In addition to presenting someof the most important construction waste and how to recycle and benefit from it, so that we havecombined reference and practical sustainability and linked them to achieve sustainability ingeneral in the field of construction management.
建筑行业是对环境影响很大的行业之一,也是消耗能源和资源的行业之一,所以有必要实现这个行业的可持续发展,这是非常重要和至关重要的,因为资源的枯竭,二氧化碳的排放,建筑材料的发展,以及它们的高价格,由于世界各地存在大量的拆除和更换产生的废物,这些废物大多是有害的,它们的处置可能造成环境污染,有必要研究解决废物问题的方法,以达到所需的可持续性,而废物的回收利用是这些方法中最重要的,因此我们在本研究中做了一个科学计量分析,有必要讨论解决废物问题的方法。实现所需的可持续性,和废物回收利用这些方法的最重要,所以在这个研究我们仪分析,进而被引用的可持续性的方法之一在这个领域,进而引导到实际操作的可持续性建设管理和废物管理,我们收集了研究,相关的研究和文章的主题循环,from2010到2022年,在一个表中,容易查阅,除了介绍一些最重要的建筑垃圾以及如何回收利用并从中受益之外,我们还将参考和实际可持续性结合起来,并将它们联系起来,以实现建筑管理领域的总体可持续性。我们收集了与回收利用主题相关的研究、研究和文章。从2010年到2022年,在表格中,容易参考,以及最重要的关键词,最重要的来源生产和出版的文章和地图,解释这一点,除了介绍一些最重要的建筑垃圾和如何回收和从中受益,使我们结合参考和实际的可持续性,并将它们联系起来,以实现可持续发展一般在建筑管理领域。
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引用次数: 0
Development of Oil Purification Process in Metal Sheet Products 金属薄板制品油净化工艺的发展
Pub Date : 2023-03-28 DOI: 10.56038/oprd.v2i1.231
Anıl Şeker, Ümit Çeğil
Today, the use of metal sheet is quite high in order to provide the required strength and endurance values in the automotive industry. Metal sheets take form by going through different operations. Special oils are used in order to create the geometric forms they have easily and to prevent the sheet metal from being damaged. These used oils come into contact with metals during the geometric forming and machining processes and most of them remain on the metals. These oils cause difficulties in operations such as welding, coating and painting after the forming process. For this reason, a clean surface is considered as the most important step in the preliminary preparation of the next processes. There is an increase in the stickiness of the oil on the metal, which reaches a certain temperature by applying the welding process. This situation causes problems such as non-adhesion to the surface and peeling of the coating in the powder paint and zinc coating applied to increase the corrosion resistance of metals and the life of the product. In addition, when the oil residues on the metal are not cleaned, undesirable boiling occurs in the coating pool and causes an ash problem. In this study, it is aimed to develop a metal-specific degreasing process to clean the oils of different viscosities used in different processes while forming the geometric form of the metal. Thus, the surface quality will increase and it will be ensured that the errors that occur in the next operations that require surface cleaning will be prevented.
今天,为了在汽车工业中提供所需的强度和耐久性值,金属板的使用量相当高。金属薄片是经过不同的工序形成的。使用特殊的油是为了创造几何形状,他们很容易,并防止金属板被损坏。这些废油在几何成形和加工过程中与金属接触,其中大部分留在金属上。这些油在成型过程后的焊接、涂层和油漆等操作中造成困难。因此,清洁的表面被认为是下一步工艺准备中最重要的一步。油在金属上的粘性增加,通过施加焊接工艺达到一定的温度。这种情况会导致粉末涂料和锌涂料在用于增加金属的耐腐蚀性和产品寿命时出现表面不附着和涂层剥落等问题。此外,当金属上的油渣没有清洗干净时,涂层池中会发生不希望发生的沸腾,从而引起灰问题。在本研究中,旨在开发一种金属专用脱脂工艺,在形成金属几何形状的同时,清洗不同工艺中使用的不同粘度的油。因此,表面质量将得到提高,并将确保在下一个需要表面清洁的操作中发生的错误将被防止。
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引用次数: 0
Classification of 3D-DWT Features of Brain Tumours with SVM 基于SVM的脑肿瘤3D-DWT特征分类
Pub Date : 2023-03-28 DOI: 10.56038/oprd.v2i1.239
Mücahid Barstuğan
Brain tumours are one of the most challenging medical conditions to diagnose and treat. Accurate and timely classification of brain tumours is critical for effective treatment planning and patient management. Machine learning algorithms have shown great promise in improving the accuracy of brain tumour classification. This study implemented high-grade glioma (HGG) and low-grade glioma (LGG) classification on four different 3D-MRI (magnetic resonance imaging) scans (FLAIR, T1, T1c, T2). By using four different scans, 15 different combinations were created for classification process. 3D Discrete Wavelet Transform was used to transform tumour images for feature extraction stage. 36 different wavelet types were used for image transformation. First Order Statistics (mean, variance, kurtosis, skewness, entropy, energy) were extracted from transformed images of 36 wavelet types. Support Vector Machines (SVM) algorithm classified the FOS features that were obtained on BraTS 2017 dataset. The 2-fold, 5-fold, and 10-fold cross-validations are implemented and six metrics (sensitivity, specificity, accuracy, precision, F1-score, AUC) evaluated the performance of proposed method. Consequently, proposed method achieved remarkable scores of 95.23% (sensitivity), 78.81% (specificity), 90.89% (accuracy), 92.59% (precision), 93.89% (F1-score), and 87.02% (AUC) for HGG/LGG classification of 3D brain MRI data on T1+T1c+T2 combination by 2-fold cross validation.
脑肿瘤是诊断和治疗最具挑战性的疾病之一。准确和及时的脑肿瘤分类对于有效的治疗计划和患者管理至关重要。机器学习算法在提高脑肿瘤分类的准确性方面显示出巨大的希望。本研究通过四种不同的3D-MRI(磁共振成像)扫描(FLAIR, T1, T1c, T2)对高级别胶质瘤(HGG)和低级别胶质瘤(LGG)进行分类。通过使用四种不同的扫描,创建了15种不同的组合用于分类过程。采用三维离散小波变换对肿瘤图像进行特征提取。图像变换采用了36种不同的小波变换类型。从36种小波变换后的图像中提取一阶统计量(均值、方差、峰度、偏度、熵、能量)。支持向量机(SVM)算法对BraTS 2017数据集上获得的FOS特征进行分类。进行了2倍、5倍和10倍交叉验证,并使用6个指标(灵敏度、特异性、准确性、精密度、f1评分、AUC)评估了所提方法的性能。因此,该方法经2倍交叉验证,对T1+T1c+T2组合的3D脑MRI数据进行HGG/LGG分类,获得了95.23%(敏感性)、78.81%(特异性)、90.89%(准确性)、92.59%(精密度)、93.89% (f1评分)和87.02% (AUC)的显著评分。
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引用次数: 0
Investigation of Cooling Systems Faults, Control and Management Models 冷却系统故障、控制和管理模型的研究
Pub Date : 2023-03-28 DOI: 10.56038/oprd.v2i1.250
Fatma Nur Erdoğmuş, Melis Öder, Ahmet Berk Ezber, Oktay Kalkan
With the rapid increase in population in the world, people's demands for chilled and frozen foods are also increasing. The healthy and energy efficient cold storage of foods has become an important issue. In this context, studies on the efficiency and performance of energy management models including automatic control techniques on cooling systems have been investigated in recent years. The purpose of this study is to give information about faults, traceable energy management models and control systems in the perspective of cooling systems. Maintenance of cooling systems, malfunctions and their late detection cause time and cost problems. The decrease in the performance of the cooling system or the occurrence of malfunctions cause economic costs as well as energy consumption. Controlling the changes in pressure, temperature and electricity consumption values ​​in cooling systems and comparing them with standard operating conditions is one of the methods used for fault detection. Faults that may occur in cooling systems; compressor, condenser, evaporator, expansion element and fan failures, thermal failures, phase protection relay failures, under/over refrigerant charge, probe failures, night curtain electric motor failure, condenser-evaporator surface pollution. Errors and malfunctions occurring in the cycle cause the parameters under normal operating conditions and accordingly the cooling performance coefficient to change. Traceable energy management models are needed to detect faults and prevent them in a short time. With the design and implementation of these models, long-term damage to the system is prevented by reducing energy, maintenance and repair costs. In the design of traceable energy management models and control systems for cooling systems; set point and management, alarm notification and management, designing algorithms with precise temperature control will provide energy efficiency.
随着世界人口的快速增长,人们对冷藏和冷冻食品的需求也在不断增加。食品的健康和节能冷藏已成为一个重要的问题。在此背景下,近年来对包括冷却系统自动控制技术在内的能源管理模型的效率和性能进行了研究。本研究的目的是在冷却系统的角度提供有关故障、可追溯能源管理模型和控制系统的信息。冷却系统的维护、故障和后期检测会造成时间和成本问题。冷却系统性能的下降或故障的发生会造成经济成本和能源消耗。控制冷却系统的压力、温度和电力消耗值的变化,并将其与标准运行条件进行比较,是故障检测的方法之一。冷却系统可能出现的故障;压缩机、冷凝器、蒸发器、膨胀元件和风扇故障、热故障、相保护继电器故障、制冷剂充注不足/过满、探头故障、夜帘电动机故障、冷凝器-蒸发器表面污染。循环中出现的错误和故障会导致正常运行条件下的参数发生变化,从而导致冷却性能系数发生变化。可追溯的能量管理模型需要在短时间内发现故障并预防故障。通过这些模型的设计和实现,通过降低能源、维护和维修成本,可以防止对系统的长期损害。在冷却系统可追溯能量管理模型和控制系统的设计中;设定点和管理,报警通知和管理,设计算法具有精确的温度控制,将提供能源效率。
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引用次数: 0
Endemic Plant Classification Using Deep Neural Networks 基于深度神经网络的特有植物分类
Pub Date : 2023-03-28 DOI: 10.56038/oprd.v2i1.252
Melih Öz, Alper Özcan
Endemic plants are those that are native to a specific geographic region and are found nowhere else in the world. These plants are crucial for biodiversity, conservation, cultural significance, and economic value. Turkey hosts more than 4000 endemic plants. Therefore, this makes Turkey the richest in Europe. Preserving this habitat holds importance. This study aims to conceptualize a possible application that helps individuals to identify endemic species using camera-captured images. Thus, aiding the preservation of the habitat. In this study, 23 selected species of Turkey’s endemic biodiversity are classified using Deep Neural Network built. In line with the objective of this study, a dataset containing 253 images is created to train the network. The dataset is available at: github.com/melihoz/endemicdataset
特有植物是指那些原产于特定地理区域,在世界其他地方找不到的植物。这些植物对生物多样性、保护、文化意义和经济价值至关重要。土耳其有超过4000种本地植物。因此,这使土耳其成为欧洲最富有的国家。保护这个栖息地非常重要。这项研究的目的是概念化一个可能的应用程序,帮助个人识别特有物种使用相机捕获的图像。因此,有助于保护栖息地。本研究采用深度神经网络对土耳其23种特有生物多样性进行分类。为了符合本研究的目标,我们创建了一个包含253张图像的数据集来训练网络。该数据集可从github.com/melihoz/endemicdataset获取
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引用次数: 0
A Comparison of Battery and Hydrogen Fuel Cell Electric Vehicles for Clean Transportation 清洁交通用电池和氢燃料电池电动汽车的比较
Pub Date : 2023-03-28 DOI: 10.56038/oprd.v2i1.230
Mustafa Sacid Endiz
Burning fossil fuels for transportation is a major source of greenhouse gas emissions, which contribute to global warming, air pollution, and health problems. Research estimates that cars alone emit more than 300 million tons of carbon dioxide into the atmosphere each year due to the internal combustion engines that use fossil fuels. In contrast to fossil fuel vehicles, electric vehicles have zero tailpipe emissions. Therefore, countries around the world are making efforts to use electric vehicles instead of fossil fuels. Two of the available alternatives to internal-combustion engines are battery and hydrogen fuel cell electric vehicles. This work investigates the basic functionalities and current advancements of battery and hydrogen fuel cell electric vehicles. A comprehensive comparison of the benefits and drawbacks of each technology is provided, along with future forecasts for transportation.
为交通运输燃烧化石燃料是温室气体排放的主要来源,而温室气体排放会导致全球变暖、空气污染和健康问题。研究估计,由于使用化石燃料的内燃机,汽车每年向大气中排放的二氧化碳超过3亿吨。与化石燃料汽车相比,电动汽车的尾气排放为零。因此,世界各国都在努力使用电动汽车代替化石燃料。内燃机的两种可用替代品是电池和氢燃料电池电动汽车。这项工作调查了电池和氢燃料电池电动汽车的基本功能和目前的进展。对每种技术的优缺点进行了全面比较,并对未来的交通运输进行了预测。
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引用次数: 0
Hybrid Beamforming for Multi User Massive MIMO Systems 多用户大规模MIMO系统的混合波束形成
Pub Date : 2023-03-28 DOI: 10.56038/oprd.v2i1.246
Abdirahman Abdikarim Hussein, Didem Kıvanç Türeli
The increasing demand in wireless communications for enhanced spectral efficiency (SE) and throughput makes massive multiple input multiple output (MIMO) a great choice for meeting those demands by using a vast set of antennas. Despite the advantages of massive MIMO, to implement such systems comes with a huge price tag and consumes a lot of power. Hybrid beamforming (HBF) architecture has drawn considerable attention in the past few years, by significantly decreasing the amount of employed radio frequency (RF) chains and combining high dimensional analog beamforming (ABF) using phase shifters (PS) together with low dimensional digital beamforming (DBF). However, because of the extreme energy consumption and hardware complexity, traditional precoding designs are difficult to implement. In this paper, two HBF techniques are proposed to address the above issue. (i) low complexity precoding known as phased zero forcing (PZF) precoding, which controls phase only in the RF domain (ii) singular value decomposition (SVD) based optimal unconstrained precoding, that can be implemented on inexpensive RF components.
无线通信对提高频谱效率(SE)和吞吐量的需求日益增长,使得大规模多输入多输出(MIMO)通过使用大量天线来满足这些需求成为一个很好的选择。尽管大规模MIMO具有优势,但实现这样的系统需要巨大的价格标签和大量的电力消耗。混合波束形成(HBF)架构在过去几年中引起了相当大的关注,它显著减少了射频(RF)链的使用数量,并将使用移相器(PS)的高维模拟波束形成(ABF)与低维数字波束形成(DBF)相结合。然而,由于极高的能耗和硬件复杂性,传统的预编码设计难以实现。本文提出了两种HBF技术来解决上述问题。(1)低复杂度预编码,称为相位零强制(PZF)预编码,仅在射频域控制相位;(2)基于奇异值分解(SVD)的最优无约束预编码,可在廉价的射频元件上实现。
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引用次数: 0
A Lossless Audio Encryption Method based on Chebyshev Map 基于切比雪夫映射的音频无损加密方法
Pub Date : 2023-03-28 DOI: 10.56038/oprd.v2i1.234
Mehmet Demirtaş
This paper presents a lossless and secure audio encryption method based on the chaotic Chebyshev map. Firstly, the input audio samples are preprocessed to obtain the integer and decimal parts. The integer parts are rescaled to the interval [0,255]. By iterating the Chebyshev map in the chaotic range using plaintext-dependent variables, the integer parts of the input audio sample are scrambled and then diffused. Finally, a post-processing operation is applied to the diffused audio samples. Keyspace and key sensitivity analysis, histogram analysis, the correlation between adjacent samples analysis, information entropy analysis, number of sample change rate analysis, and speed analysis results are presented. These security analysis results show that the proposed audio encryption method can be used in secure voice transmission applications.
提出了一种基于混沌切比雪夫映射的无损安全音频加密方法。首先,对输入的音频样本进行预处理,得到其整数和小数部分。整数部分被调整为区间[0,255]。通过使用明文相关变量在混沌范围内迭代切比雪夫映射,输入音频样本的整数部分被打乱,然后扩散。最后,对扩散后的音频样本进行后处理。给出了键空间和键灵敏度分析、直方图分析、相邻样本之间的相关性分析、信息熵分析、样本数量变化率分析和速度分析结果。这些安全性分析结果表明,所提出的音频加密方法可用于安全的语音传输应用。
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引用次数: 1
A New System Design for Making Non-Intelligent Handheld Devices Used in Production Compatible with Industry 4.0 兼容工业4.0的生产用非智能手持设备新系统设计
Pub Date : 2022-12-31 DOI: 10.56038/oprd.v1i1.156
Kader Nikbay Oylum, T. Bilgin, Kenan Selçuk
Nowadays, the concept of industry 4.0 frequently occur in the literature. The digitalization of manufacturing grows rapidly. The basic structure of the approach is to transform the hardware and equipment in the manufacturing into intelligent elements that communicate each other. In this study, based on the idea of ​​intelligent equipment; we propose to transform traditional power screwdrivers into smart devices that communicate with various IoT applications or cloud applications by including electronic cards and software components. Our approach aims to minimize the percentage of human error in the manufacturing process.There are four main elements in our system. These are Web/Cloud Server, NGP Operator panels, RF I/O card and power screwdriver RF card. All these elements communicate with each other. The overall working principle of the system is briefly as follows. There is a database on the Web/Cloud Server. In this database, there are job parameters related to the assembly ID(CIS) number which defined for each assembly job. Various operations to be performed according to the assembly ID(CIS) number are defined in detail in the database, for example, for power screwdrivers, the number of tightening information is defined on a rule-based basis. With the Web API developed in C# language, the web/cloud server communicates with the linux computer that executes the NGP operator panel. When an assembly job starts, if the assembly ID(CIS) number matches the stock definition, then the relevant transaction data is retrieved from the web server and displayed on the NGP operator panel. The front-end software on the NGP operator panel was developed using Microsoft.NET and compiled using Mono Framework to support Linux OS. As soon as an assembly job starts, the number of screws to be tightened determined according to the assembly ID(CIS) related rules. After that, the gun MAC (TMAC) address information is transmitted from the NGP operator panel to the RF I/O Card via RS232 serial port communication. The ZigBee protocol carries the information about how many screws will be tightened from the RF I/O Card to the Gun RF card mounted on power screwdriver. A special RF based protocol developed for that purpose. By means of our proposed protocol, "OK" or "Not OK" information is sent to the RF I/O card of the NGP operator panel every time the operator performs the tightening operation. With the bidirectional RS232 serial port communication, an information message is returned for each completed operation to the NGP operator panel via the RF I/O card. When all the operations related to the assembly ID(CIS) number are completed, the relevant data is transmitted over the Web Server API and recorded in the database, and the assembly life cycle is completed.This study demonstrates how traditional power screwdrivers may be transformed into an IoT-enabled smart manufacturing device without extensive modification. Thanks to the proposed solution, the digital transformatio
如今,工业4.0的概念频繁出现在文献中。制造业数字化发展迅速。该方法的基本结构是将制造中的硬件和设备转化为相互通信的智能元件。本研究基于智能装备的思想;我们建议将传统的功率螺丝刀转变为智能设备,通过包含电子卡和软件组件,与各种物联网应用或云应用进行通信。我们的方法旨在尽量减少制造过程中人为错误的百分比。我们的系统有四个主要元素。这些是Web/云服务器,NGP操作员面板,射频I/O卡和电源螺丝刀射频卡。所有这些元素都相互沟通。系统的总体工作原理简述如下。在Web/云服务器上有一个数据库。在这个数据库中,有与为每个装配作业定义的装配ID(CIS)号相关的作业参数。根据CIS (assembly ID)号执行的各种操作在数据库中有详细的定义,例如对于电动螺丝刀,拧紧次数信息有规则的定义。通过c#语言开发的Web API, Web /云服务器与执行NGP操作面板的linux计算机进行通信。当组装作业开始时,如果组装ID(CIS)号与库存定义匹配,则从web服务器检索相关事务数据并显示在NGP操作面板上。NGP操作面板前端软件采用Microsoft开发。使用Mono Framework编译以支持Linux操作系统。一旦装配工作开始,根据装配ID(CIS)相关规则确定要拧紧的螺钉数量。之后,枪MAC (TMAC)地址信息通过RS232串口通信从NGP操作面板传输到RF I/O卡。ZigBee协议包含了从射频I/O卡到安装在电源螺丝刀上的Gun射频卡需要拧紧多少个螺丝的信息。为此目的开发的一种特殊的基于射频的协议。通过我们提出的协议,每次操作员执行拧紧操作时,都会向NGP操作员面板的RF I/O卡发送“OK”或“Not OK”信息。通过双向RS232串口通信,每完成一次操作,通过RF I/O卡向NGP操作员面板返回一条信息消息。当与程序集ID(CIS)号相关的所有操作完成后,相关数据通过Web Server API传输并记录到数据库中,程序集生命周期结束。该研究展示了如何将传统的电动螺丝刀转变为支持物联网的智能制造设备,而无需进行大量修改。由于提出的解决方案,传统设备的数字化转型将负担得起,并适用于许多不同的制造工具。
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引用次数: 0
Z-Bar Design and Structural Analysis in Loader Construction Equipment 装载机施工设备z杆设计与结构分析
Pub Date : 2022-12-31 DOI: 10.56038/oprd.v1i1.147
Mehmet Can Katmer, Gökberk Biçer
In this study, a Z-Bar design was made for the HİDROMEK wheel loader machine. In the design, the forces and moments that the HİDROMEK construction machine is exposed to under working conditions were evaluated and the longest working life was aimed for the Z-Bar. Alternative designs were prepared using the Creo Parametric package program and analyzed using the MSC Marc package program with the finite element method. In the scenario where the Z-Bar part is most stressed, boundary conditions are defined and the resulting reaction forces are applied to the part. Afterwards, analysis solutions of alternative structures were evaluated and design improvements were made for the final product. As a result of the studies; The production of the Z-Bar part, which is one of the most critical parts for wheel loader machines, has been completed.
本研究对HİDROMEK轮式装载机进行了z杆设计。在设计中,对HİDROMEK施工机械在工作条件下所承受的力和力矩进行了评估,并以z杆的最长工作寿命为目标。采用Creo Parametric包程序编制备选设计方案,采用MSC Marc包程序进行有限元分析。在z杆部分受力最大的情况下,定义边界条件并将产生的反作用力应用于该部分。随后,对备选结构的分析方案进行了评估,并对最终产品进行了设计改进。作为研究的结果;轮式装载机最关键的部件之一z杆件的生产已经完成。
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引用次数: 0
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