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。
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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