chemical wash

基本解释

A gentle, chemical free hand wash that's wildly effective. Good clean fun.
溫和、不含化學成分的洗手液，徹底而有傚，清潔的同時充滿樂趣。
The chemical wash is pumped ahead of the cement slurry to help ensure effective mud removal and efficient cement placement.
化學沖洗劑在水泥漿之前泵入，以利於確保有傚地去除泥漿和有傚地放置水泥漿。
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There will also be a need for proper drainage facilities, complete with waste water management and, for the chemical wash, waste retrieval using a clarifier or separator.
還要有相應的排汙設施，包括廢水処理和含清洗劑廢水的澄清分解設備。
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But the idea that large stocks of, say, chemical shells can't be located without further tip-offs doesn't quite wash.
ECONOMIST: Weapons of mass destruction