国产aaaa级全身裸体精油片_337p人体粉嫩久久久红粉影视_一区中文字幕在线观看_国产亚洲精品一区二区_欧美裸体男粗大1609_午夜亚洲激情电影av_黄色小说入口_日本精品久久久久中文字幕_少妇思春三a级_亚洲视频自拍偷拍

首頁 > engineering
  • DB32/T 2291-2013 信息化工程驗(yàn)收規(guī)范 Code of acceptance for information engineering2023-07-24
  • BS EN 16603-33-11-2019 Space engineering. Explosive subsystems and devices2023-07-22
  • BS ISO 15003-2019 Agricultural engineering. Electrical and electronic equipment. Testing resistance to env...2023-07-20
  • BS EN 16603-60-20-2014 航天工程 恒星傳感器的術(shù)語和性能規(guī)格 Space engineering. Star sensor terminology and pe...2023-07-19
  • DIN EN 303471-2019 Environmental Engineering (EE) - Energy Efficiency measurement methodology and metrics f...2023-07-18
  • GB/T 50731-2019 建材工程術(shù)語標(biāo)準(zhǔn) Standard for terminology of building materials engineering2023-07-18
  • GB/T 41192-2021 巖土工程儀器 振弦式反力計(jì) Instrument for geotechnical engineering-Vibrating wire load cell...2023-07-16
  • BS ISO/IEC/IEEE 24748-2-2018 Systems and software engineering. Life cycle management. Guidelines for the a...2023-07-15
  • BS EN 16603-60-10-2014 航天工程 性能控制 Space engineering. Control performances2023-07-12
  • BS ISO/IEC 26550-2015 軟件和系統(tǒng)工程 生產(chǎn)線工程和管理的參考模型 Software and systems engineering. Reference ...2023-07-09
  • ETSI EN 303 472-2018 Environmental Engineering (EE); Energy Efficiency measurement methodology and metrics ...2023-07-08
  • BS ISO/IEC/IEEE 24748-1-2018 Systems and software engineering. Life cycle management. Guidelines for life ...2023-07-07
  • EN 16603-60-21-2018 Space engineering - Gyros terminology and performance specification2023-07-02
  • AS 1289.4.2.1-2020 Methods of testing soils for engineering purposes -- Method 4.2.1: Soil chemical tests -...2023-06-28
  • BS EN 16603-50-02-2014 航天工程 排列及多普勒跟蹤 Space engineering. Ranging and Doppler tracking2023-06-27
  • DIN EN 16603-31-04-2019 Space engineering - Exchange of thermal analysis data2023-06-23
  • BS 9227-2019 Hydraulically bound materials for civil engineering purposes. Specification for production an...2023-06-21
  • GB/T 6881.2-2017 聲學(xué) 聲壓法測(cè)定噪聲源聲功率級(jí)和聲能量級(jí) 混響場(chǎng)內(nèi)小型可移動(dòng)聲源工程法 硬壁測(cè)試室比較法 Acous...2023-06-18
  • BS EN 16603-50-51-2014 航天工程 太空線協(xié)議識(shí)別 Space engineering. SpaceWire protocol identification...2023-06-13
  • GB/T 36456.1-2018 面向工程領(lǐng)域的共享信息模型 第1部分:領(lǐng)域信息模型框架 Engineering domain oriented shared inf...2023-06-05
  • GB 55019-2021 建筑與市政工程無障礙通用規(guī)范 General codes for accessibility of buildings and municipal engine...2023-06-04
  • GB 55018-2021 工程測(cè)量通用規(guī)范 General code for engineering survey2023-06-03
  • DIN EN 16603-50-2014 Space engineering - Communications2023-05-31
  • ASME Y14.24-2020 Types and Applications of Engineering Drawings2023-05-18
  • BS ISO 18289-2014 船舶和海洋技術(shù) 導(dǎo)航和淺水工程船舶 錨絞車 Ships and marine technology. Navigation and shall...2023-05-13
    • 首頁上頁23456下頁尾頁