chemical wash

基本解释

A gentle, chemical free hand wash that's wildly effective. Good clean fun.
温和、不含化学成分的洗手液，彻底而有效，清洁的同时充满乐趣。
The chemical wash is pumped ahead of the cement slurry to help ensure effective mud removal and efficient cement placement.
化学冲洗剂在水泥浆之前泵入，以利于确保有效地去除泥浆和有效地放置水泥浆。
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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.
还要有相应的排污设施，包括废水处理和含清洗剂废水的澄清分解设备。
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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