如何翻译好critical introduction of water? control of the amount of water in the process, and critical introduction of water into various stages of the production process for ethyl acetate are has been a constant issue. critical introduction of water 严格控制水的引入 控制过程中水的量以及严格控制乙酸乙酯生产过程各个步骤中水的引入,是一个一直存在的问题 control of ......has been a constant issue control of 包括了后面并且作为主语查看更多