英语词汇“calcium hardness”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典-现代词典

单词	calcium hardness
释义	calcium hardness calcium hardness [′kal·sē·əm ‚härd·nəs] (chemistry) Presence of calcium ions in water, from dissolved carbonates and bicarbonates; treated in boiler water by introducing sodium phosphate.
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英语词典包含2567994条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。