英语词汇“bierbaum scratch hardness test”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	bierbaum scratch hardness test
释义	Bierbaum scratch hardness test Bierbaum scratch hardness test [′bir‚bau̇m ¦skrach ′härd·nəs ‚test] (engineering) A test for the hardness of a solid sample by microscopic measurement of the width of scratch made by a diamond point under preset pressure.
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Bierbaum scratch hardness test