“hardness test”的概念、定义、翻译、参考文献-科学参考

单词	hardness test
释义	hardness test [`härd·nǝs ´test] ^{ANALYTICAL CHEMISTRY} A test to determine the calcium and magnesium content of water. ^ENGINEERING A test to determine the relative hardness of a metal, mineral, or other material according to one of several scales, such as Brinell, Mohs, or Shore.
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