英语词汇“calcium-phosphorus ratio”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	calcium-phosphorus ratio
释义	calcium-phosphorus ratio noun : the proportional relation existing between calcium and phosphorus in the form of phosphate in body fluids and bone that in man is normally about 2.2 to 1
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