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JB∕T 12577-2015 随车起重机
JB∕T 12577-2015 随车起重机
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工业催化剂的设计 [澳] 特里姆 (D.L.Trimm) 著 金性勇 曹美藻 译 1984
工业催化剂的设计 [澳] 特里姆 (D.L.Trimm) 著 金性勇 曹美藻 译 1984
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ASME锅炉及压力容器规范 国际性规范 II 材料 D篇 性能ASME 锅炉及压力容器委员会材料
ASME锅炉及压力容器规范 国际性规范 II 材料 D篇 性能ASME 锅炉及压力容器委员会材料分委员会编 著 中国《ASME规范产品》协作网（CACI）翻译 2002
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机械制造工厂 机械动力设备修理技术手册 第二篇 设备零件的修复和加工工艺 下册 ( 修
机械制造工厂 机械动力设备修理技术手册 第二篇 设备零件的修复和加工工艺 下册 ( 修订第一版) 《机修手册》第二篇修订小组 1981
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钢结构施工方案范例精选 筑龙网 组编 2007
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工业锅炉丛书 锅炉燃烧技术及设备 庞丽君 孙恩召 编 1987
工业锅炉丛书 锅炉燃烧技术及设备 庞丽君 孙恩召 编 1987
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机械制造工艺设计手册 哈尔滨工业大学 王绍俊 主编 1985
机械制造工艺设计手册 哈尔滨工业大学 王绍俊 主编 1985
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2025年中国自动化仪表行业市场白皮书
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中华人民共和国第一机械工业部 锤上自由锻造锻件机械加工余量与公差 机指 (JZ) 1-59-
中华人民共和国第一机械工业部 机械工业指导性技术文件 锤上自由锻造锻件机械加工余量与公差 机指 (JZ) 1-59-27-59 第一机械工业部核准 1959
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简明机械设备安装工手册 简明机械设备安装工手册编写组 编 1992
简明机械设备安装工手册 简明机械设备安装工手册编写组 编 1992
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ASME B16.48-2025 Line Blanks 管线盲板 中文版
ASME B16.48-2025 Line Blanks 管线盲板
中文版 X Xj双叉戟 翻译
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BS EN 17832:2023 Thermal spraying — Determination of the feed rate with spray m
BS EN 17832:2023 Thermal spraying — Determination of the feed rate with spray material in powder form in a production environment
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BS EN 17942:2024 Welding and allied processes — Gas welding equipment — Safety
BS EN 17942:2024 Welding and allied processes — Gas welding equipment — Safety requirements for thermoprocess equipment with open firing oxy-fuel gas welding equipment
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BS EN 17845-2023 中文版 建筑产品：危险物质释放评估 使用液相色谱法和质谱检测法(L
BS EN 17845-2023 中文版 建筑产品：危险物质释放评估 使用液相色谱法和质谱检测法(LC-MS/MS) 测定杀菌剂残留
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BS EN 17845:2023 Construction products: Assessment of release of dangerous su...
BS EN 17845:2023 Construction products: Assessment of release of dangerous substances — Determination of biocide residues using liquid chromatography with mass spectrometric detection (LC-MS/MS)
高
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BS EN 17869:2023 Hardware for furniture — Test methods for strength and over...
BS EN 17869:2023
Hardware for furniture — Test methods for strength and overload tests of connectors for furniture constructed from panel material
家具用五金件 板材制造的家具用连接件的强度和过载试
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BS EN 17839:2023 Glass in building — Glazing and airborne sound insulation — V
BS EN 17839:2023 Glass in building — Glazing and airborne sound insulation — Validation procedure for calculation tools
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BS ISO/IEC 17839-3:2026 Information technology — Biometric System-on-Card — Pa
BS ISO/IEC 17839-3:2026 Information technology — Biometric System-on-Card — Part 3: Logical information interchange mechanism
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BS ISO/IEC 17839-2:2024 Information technology — Biometric System-on-Card — Pa
BS ISO/IEC 17839-2:2024 Information technology — Biometric System-on-Card — Part 2: Physical characteristics
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BS ISO/IEC 17839-1:2025 Information technology — Biometric system-on-card — Pa
BS ISO/IEC 17839-1:2025 Information technology — Biometric system-on-card — Part 1: Core requirements
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BS IEC 63241-2-17:2025 Electric motor-operated tools — Dust measurement procedu
BS IEC 63241-2-17:2025 Electric motor-operated tools — Dust measurement procedure — Part 2-17: Particular requirements for hand-held routers and trimmers
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Weld Distortion
Weld Distortion
Beginning welders and even those that are more experienced commonly struggle with the problem of weld distortion, (warping of the base plate caused by heat from the welding arc). Disto
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换热器管束滚轮计算(源)
换热器管束滚轮计算(源)
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EN 13445-3：2026 Unfired pressure vessels - Part 3：Design Supersedes EN 13445-
EN 13445-3：2026 Unfired pressure vessels - Part 3：Design Supersedes EN 13445-3：2021+A1：2026
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国家职业资格培训教材：超声波检测
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BS ISO 8664:2018 Tyres for agricultural tractors and machines — Code-designated
BS ISO 8664:2018 Tyres for agricultural tractors and machines — Code-designated and service-description marked radial drive-wheel tyres
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BS ISO 2710-1:2026 Reciprocating internal combustion engines — Vocabulary — Pa
BS ISO 2710-1:2026 Reciprocating internal combustion engines — Vocabulary — Part 1: Terms for engine design and operation
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Welding Defects, Causes and Prevention
Welding Defects, Causes and Prevention
In welding the important objective is to obtain sound, defect free weld joint. But it is not always possible to get defect free joint. There will always be some
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ISO 3987-2024 Petroleum products — Determination of sulfated ash in lubricating
ISO 3987-2024 Petroleum products — Determination of sulfated ash in lubricating oils and additives and fatty acid methyl ester
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Welding Defects and Remedies in Steel Material
Welding Defects and Remedies in Steel Material
There are numerous welding processes including arc welding, electron beam welding, friction welding, laser welding,
and resistance welding. This artic
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BS ISO 2710-2:2019 Reciprocating internal combustion engines — Vocabulary — Pa
BS ISO 2710-2:2019 Reciprocating internal combustion engines — Vocabulary — Part 2: Terms for engine maintenance
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BS ISO 15115:2019 Leather — Vocabulary
BS ISO 15115:2019 Leather — Vocabulary
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BS ISO 18669-2:2020 Internal combustion engines — Piston pins — Part 2: Inspec
BS ISO 18669-2:2020 Internal combustion engines — Piston pins — Part 2: Inspection measuring principles
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ISO 18669-1:2021 Internal combustion engines — Piston pins — Part 1: General s
ISO 18669-1:2021 Internal combustion engines — Piston pins — Part 1: General specifications
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ISO 18669-2:2025 Internal combustion engines — Piston pins — Part 2: Inspectio
ISO 18669-2:2025 Internal combustion engines — Piston pins — Part 2: Inspection measuring principles
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Defects in Welding
Defects in Welding
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instructor guide weld defect
instructor guide weld defect
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BS EN ISO 9000:2026 Quality management — Fundamentals and vocabulary
BS EN ISO 9000:2026 Quality management — Fundamentals and vocabulary
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BS EN ISO 9000:2026 质量管理 基础与术语 中文
BS EN ISO 9000:2026 质量管理 基础与术语
中文机译版
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BS EN ISO 10012:2026 Quality management — Requirements for measurement manageme
BS EN ISO 10012:2026 Quality management — Requirements for measurement management systems
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BS EN ISO 14001:2026 Environmental management systems — Requirements with guida
BS EN ISO 14001:2026 Environmental management systems — Requirements with guidance for use
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BS EN ISO 6366:2025 Non-destructive testing — Leak testing — Radioactive trace
BS EN ISO 6366:2025 Non-destructive testing — Leak testing — Radioactive tracer methods for pressured vessels and underground pipelines
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BS EN ISO 16811:2025 Non-destructive testing — Ultrasonic testing — Sensitivit
BS EN ISO 16811:2025 Non-destructive testing — Ultrasonic testing — Sensitivity and range setting
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BS EN ISO 17662:2025 Welding — Calibration, verification and validation of equi
BS EN ISO 17662:2025 Welding — Calibration, verification and validation of equipment used for welding, including ancillary activities
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BS EN ISO 14732:2025 Welding personnel — Qualification testing of welding opera
BS EN ISO 14732:2025 Welding personnel — Qualification testing of welding operators and weld setters for mechanized and automatic welding ofmetallic materials
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BS EN ISO 5817:2023 Welding — Fusion-welded joints in steel, nickel, titaniu...
BS EN ISO 5817:2023 Welding — Fusion-welded joints in steel, nickel, titanium and their alloys (beam welding excluded) — Quality levels for imperfections
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BS EN ISO 15610:2024 Specification and qualification of welding procedures fo...
BS EN ISO 15610:2024 Specification and qualification of welding procedures for metallic materials — Qualification based on tested welding consumables
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BS EN ISO 15611:2024 Specification and qualification of welding procedures fo...
BS EN ISO 15611:2024
Specification and qualification of welding procedures for metallic materials — Qualification based on previous welding experience
金属材料焊接工艺的规范和评定 基于已有焊接经验的
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BS EN ISO 13920:2023 Welding — General tolerances for welded constructions ...
BS EN ISO 13920:2023
Welding — General tolerances for welded constructions — Dimensions for lengths and angles, shape and position
焊接 焊接结构的一般公差 长度和角度、形状和位置的尺寸
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GBT 30132-2013 胶印书刊纸
GBT 30132-2013 胶印书刊纸
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GBT 30131-2013 纺织品 服装系统静电性能的评定 穿着法
GBT 30131-2013 纺织品 服装系统静电性能的评定 穿着法
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GBT 30130-2013 胶版印刷纸
GBT 30130-2013 胶版印刷纸
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GBT 30129-2013 壁纸原纸
GBT 30129-2013 壁纸原纸
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GBT 30128-2013 纺织品 负离子发生量的检测和评价
GBT 30128-2013 纺织品 负离子发生量的检测和评价
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GBT 30126-2013 纺织品 防蚊性能的检测和评价
GBT 30126-2013 纺织品 防蚊性能的检测和评价
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GB 30122-2013 独立式感温火灾探测报警器
GB 30122-2013 独立式感温火灾探测报警器
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GBT 30121-2013 工业铂热电阻及铂感温元件
GBT 30121-2013 工业铂热电阻及铂感温元件
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SH-T 3425-2011 石油化工钢制管道用盲板
SH-T 3425-2011 石油化工钢制管道用盲板
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EN 1998-3-2025 Eurocode 8 - Design of structures for earthquake resistance - Par
EN 1998-3-2025 Eurocode 8 - Design of structures for earthquake resistance - Part 3：Assessment and retrofitting of buildings and bridges
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