Coordinate measuring machine and optical interferometer are preferred instruments before and after polishing, respectively.Problems exist in both methods.

 
  • 在拋光前后宜分別采用坐標測量機和光學(xué)干涉儀,兩種方法都存在一些問(wèn)題有待解決。
今日熱詞
目錄 附錄 查詞歷史
国内精品美女A∨在线播放xuan