The arc cutting technique of air plasma water re-compressed won the second prize of National Scientific and Technological Progress Award.

 
  • 科研項目空氣等離子水再壓縮弧切割技術(shù)獲國家科技進(jìn)步二等獎。
今日熱詞
目錄 附錄 查詞歷史
国内精品美女A∨在线播放xuan