In coring drilling, under-water cement grouting was often used for wall protection, leakage blocking, borehole sealing and downhole accident treatment.

在岩心钻探中，常常要用水下灌注水泥的方法来护壁、堵漏、封孔、处理井故。

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Environmentalists are blocking everything from a new cement plant in North Carolina to the movement of mining equipment along rural roads in Montana, often with the most tenuous of rationales.

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