vacuum treating
英
美
- 真空处理
双语例句
- 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。 - 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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