Although many CNC systems still use hydraulic or pulse motors, the DC drives have gained dominance on a much larger scale.

 
  • 雖然許多電腦數字控制系統動(dòng)仍然使用水壓或脈沖馬達,但是直流電器已在許多大型設備上占有優(yōu)勢。
今日熱詞
目錄 附錄 查詞歷史
国内精品美女A∨在线播放xuan