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The pump-down opening plug is used for continuous cementing operation and in deviated Wells.
顶替型打开塞用于连续式双级注水泥作业,也适用与在斜井中使用。
youdao
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The pump-down opening plug is used for continuous cementing operation and in deviated Wells.
顶替型打开塞用于连续式双级注水泥作业,也适用与在斜井中使用。
youdao