Actuation is often desired for process automation, precision timing, and remote operation not possible with manual valves alone.

 
       
  • 執行機構經(jīng)常用于實(shí)現緊靠手動(dòng)閥門(mén)無(wú)法實(shí)現的工藝過(guò)程的自動(dòng)化,準確定時(shí),以及遠程操作。
今日熱詞
目錄 附錄 查詞歷史
国内精品美女A∨在线播放xuan