The special screw is manufactured with the molding method and non-instantaneous envelope method on the numerical control millers generally.

 
  • 異形螺桿的加工一般采用成型法及無(wú)瞬心包絡(luò )銑削方法在專(zhuān)用數控銑床上進(jìn)行。
今日熱詞
目錄 附錄 查詞歷史
国内精品美女A∨在线播放xuan