Because lathes also can do drilling and reaming, their versatility permits several operations to be done with a single setup of the workpiece.

 
  • 由于車(chē)床還可以用來(lái)鉆孔和鉸孔,車(chē)床的多功能性可以使工作在一次裝夾中進(jìn)行幾種加工。
今日熱詞
目錄 附錄 查詞歷史
国内精品美女A∨在线播放xuan