[计] 消去法

subtractive process的用法和样例:

例句

  1. In the water extracting and alcohalprecipitating process of Gukang formula,psoralen could be changed into isopsoralen.补骨脂在骨康方提取精制过程中,补骨脂素可部分转化成异补骨脂素。

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学英语单词
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