organic impurity是什么意思 organic impurity怎么读
organic impurity的用法和样例
- The methods of determination of organic impurities in mesalazine were discussed.
对美沙拉秦中有机杂质的测定进行了探讨。 - Organic impurities are sometimes present to such an extent that the rock must be calcined to remove them.
有时候矿石中存在有机杂质甚多，以至必须将矿石进行煅烧以消除之。
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