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单词
drilling mud
释义
WordReference Random House Unabridged Dictionary of American English © 2024
drill
′
ing mud′,
Geology
a water-based or oil-based suspension of clays pumped into an oil well during drilling in order to seal off porous rock layers, equalize the pressure, cool the bit, and flush out the cuttings. Also called
drill
′
ing flu′id.
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更新时间:2025/7/24 20:04:54