... 标准硬度块hardness standard block 标准正文body of specification 标准重力式压力表检验仪standard deadweight tester ...
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Vickers hardness Standard Block 标准维氏硬度块
Leeb Hardness standard block 里氏硬度块
Rockwell hardness standard block surface 标准表面洛氏硬度块
Standard hardness block 标准硬度块
standard block of hardness 标准硬度块
grade I standard hardness block 一级标准硬度块
grade II standard hardness block 二级标准硬度块
Standard micro-hardness block 标准显微硬度块
standard hardness test block [材] 标准硬度试块
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