英语词汇“勃氏硬度數”的翻译、意思、用法、释义-英汉汉英双解词典

词汇	勃氏硬度數
释义	勃氏硬度數 bó shì yìng dù shù一种表示金属表面硬度记法。由瑞典工程师勃林南尔提出，使用一定直径的硬钢球，以一定力打击金属表面，量其凹痕面积算出硬度。
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