primary cement job
... primary cement evaluation 固井质量评价 primary cement job 初次注水泥作业 primary cementing 初次注水泥 ...
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安装在套管柱底部附近的一个部件，在初次注水泥作业期间水泥塞坐放于其上。
A component installed near the bottom of the casing string on which the cement plugs land during the primary cementing operation.
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