“hydraulic packer holddown”的概念、定义、翻译、参考文献-科学参考

单词	hydraulic packer holddown
释义	hydraulic packer holddown [hī`drȯ·lik `pak·ǝr `hōl´dau̇n] ^{PETROLEUM ENGINEERING} A pressure-actuated anchor located below a production packer (the seal between tubing and casing) to prevent well pressure from forcing the packer upward in the casing.
随便看	decibels above 1 picowatt decibels above 1 volt decibels above 1 watt decibels above reference coupling decibels above reference noise decibels over isotropic decidable predicate decidua deciduitis deciduoma deciduous deciduous teeth decigram decile deciliter decimal decimal attenuator decimal balance decimal-binary switch decimal code decimal-coded digit decimal fraction decimal number decimal number system decimal place

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