“cup packer”的概念、定义、翻译、参考文献-科学参考

单词	cup packer
释义	cup packer [`kǝp ´pak·ǝr] ^{PETROLEUM ENGINEERING} A cup-shaped sealing device inserted into the drill stem and lowered into a well to permit pressure testing of the casing and blowout preventers.
随便看	Maxwell distribution Maxwell effect Maxwell equal-area rule Maxwell equations Maxwell field equations Maxwellian distribution Maxwellian distribution law Maxwellian equilibrium Maxwellian gas Maxwellian view Maxwell liquid Maxwell primaries Maxwell relation Maxwell's coefficient of diffusion Maxwell's cyclic currents Maxwell's demon Maxwell's displacement current Maxwell's electromagnetic theory Maxwell's law Maxwell's stress functions Maxwell's stress tensor Maxwell's theorem Maxwell's theory of light Maxwell triangle maxwell-turn

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