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单词 well packing
释义

well packing

Oil Industry
noun
Watertight packing used in an oil or gas well, typically to seal a well after the withdrawal of a drill or to seal the gap between a drill pipe and the side of the boring.

Origin

Mid 19th century; earliest use found in U.S. Patents.

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更新时间:2024/9/21 15:20:27