英语词汇“temporary hardness”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	temporary hardness
释义	temporary hardness noun [mass noun] The presence in water of mineral salts (chiefly calcium bicarbonate) that are removed by boiling.The temporary hardness is caused by the magnesium and calcium bound in hydrogen carbonate or carbonate.... There are two types of hardness, resulting from different compounds - permanent and temporary hardness. Make sure you know how and why temporary hardness is removed.
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