General rules of ultra-precision lapping process and its application to batch production of grade 00 guage block are presented in this paper.

 
  • 介紹了超精密研磨工藝的一般原則和批量制造00級量塊的超精密研磨工藝。
今日熱詞
目錄 附錄 查詞歷史
国内精品美女A∨在线播放xuan