The influence of argon flow, are length, the inner diameter of hollow cathode on the voltage - ampere characteristics are discussed.

 
  • 并討論了氬氣流量、弧長(cháng)和空心陰極內徑對電弧伏安特性的影響。
今日熱詞
目錄 附錄 查詞歷史
国内精品美女A∨在线播放xuan