vacuum treating

 
  • 真空处理

vacuum treating的用法和样例:

例句

  1. Note that sonication was less effective than either helium or vacuum treatment.
    注意超声比通氦或者真空处理的效果要差。
  2. Test certificates must be supplied, showing cast analysis, grain size and that the material has been vacuum treated.
    要提供检测证书,表明铸件的分析报告,结晶粒度,并且材料要经过真空处理。

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