英语词汇“well packing”的意思、释义、用法解释及翻译-春雷网

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词汇	well packing
释义	Definition of well packing in English: well packing 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. Definition of well packing in US English: well packing 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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