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(yè) > JT交通行業(yè)標(biāo)準(zhǔn)免費(fèi)下載
  • JT/T 1379.1-2021海船船員培訓(xùn)模擬器技術(shù)要求 第1部分：船舶操縱模擬器Technical requirements of simulator for seaf...2022-04-08
  • JT/T 1379.2-2021海船船員培訓(xùn)模擬器技術(shù)要求 第2部分：輪機(jī)模擬器Technical requirements of simulator for seafarer...2022-04-08
  • JT/T 443-2021液壓舵機(jī)推舵液壓缸試驗(yàn)方法The test method of hydraulic cylinder for rudders in hydraulic steeri...2022-04-08
  • JT/T 1378-2021挖泥船水下泥泵Submerged dredge pump of dredger2022-04-08
  • JT/T 449-2021公路懸索橋吊索Suspender of highway suspension bridge2022-04-06
  • JT/T 1384-2021交通運(yùn)輸行業(yè)安全生產(chǎn)監(jiān)督監(jiān)察信息數(shù)據(jù)元Data element for safety production superintendence and s...2022-04-06
  • JT/T 1377-2021集裝箱自動(dòng)導(dǎo)引車Automated guided vehicle for freight container2022-04-06
  • JT/T 1379.3-2021海船船員培訓(xùn)模擬器技術(shù)要求 第3部分:雷達(dá)模擬器Technical requirements of simulator for seafare...2022-04-04
  • JT/T 1382-2021潛水生命支持員培訓(xùn)與考核要求Requirements for the training and examination of life support tech...2022-04-01
  • JT/T 1380.2-2021海船船員培訓(xùn)模擬器訓(xùn)練要求 第2部分：輪機(jī)模擬器Requirements of simulator for seafarers training...2022-04-01
  • JT/T 258-2021長(zhǎng)江運(yùn)輸船舶操縱性衡準(zhǔn)Criteria of manoeuvability for transport ship in Yangtze River2022-04-01
  • JT/T 1383-2021空氣潛水系統(tǒng)通用要求和周期性檢驗(yàn)General requirements and periodic examination,testing and cert...2022-04-01
  • JT/T 1376-2021港口煤炭粉塵濃度控制指標(biāo)和測(cè)試方法Control index and measurements method of coal dust density i...2022-04-01
  • JT/T 211-2021氣升式吸泥器作業(yè)要求Operating requirements for air lifting mud pump2022-03-30
  • JT/T 1380.1-2021海船船員培訓(xùn)模擬器訓(xùn)練要求 第1部分：船舶操縱模擬器Requirements of simulator for seafarers trai...2022-03-29
  • JT/T 733-2021港口機(jī)械鋼結(jié)構(gòu)表面防腐涂層技術(shù)條件Specifications for anti-corrosive coatings of port machinery ...2022-03-29
    • 首頁(yè)上頁(yè)484950