Plan ahead so that you can use fewer dishes and utensils, which means you'll have less to wash later.
提前计划好，这样你就能少用盘子和餐具，换句话说就是饭后你可以少洗一些。
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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