用100％减去所发现的所有杂质重量百分数之和，包括水、酸、二氧化碳和醛类，即为环氧乙烷的重量百分比。

Sum in weight percent all the impurities found: water, acidity, carbon dioxide and aldehydes and subtract from 100.0 percent to obtain the percent by weight ethylene oxide.

youdao

用100％减去所发现的所有杂质重量百分数之和，包括水、酸、二氧化碳和醛类，即为环氧乙烷的重量百分比。

Sum in weight percent all the impurities found: water, acidity, carbon dioxide and aldehydes and subtract from 100.0 percent to obtain the percent by weight ethylene oxide.

youdao