depurating
vt. 使净化;提纯
vi. 净化;清洁
例句
The operating principle, characteristic and capability of lampblack depurating machine are introduced in this article. It concretely analyses different lampblack depurating machine.
介绍了油烟净化机的工作原理、性能特点,对几种油烟净化机作了具体分析。