Conduct operation including sampling, mounting, polishing, etching, microscope inspection, hardness testing, NDT testing (magnaflux particles, ultrasonic etc).

 
  • 協(xié)助工程師進(jìn)行材料測試;報告以及分析.
今日熱詞
目錄 附錄 查詞歷史
国内精品美女A∨在线播放xuan