“套管胀修”的概念、定义、翻译、参考文献-科学参考

单词	套管胀修
释义	套管胀修 Encyclopedia 工学修复油井套管释 repair the oil well casing by bulged套管胀修依靠钻具自身的重量或下击，迫使下部梨形胀管器的锥形头部楔入变形套管部位进行挤胀，以恢复其内通径要求尺寸的作业。
随便看	invariant circle invariant class of groups invariant complement invariant component invariant cone invariant continuation invariant curve invariant decision function invariant decision problem invariant decision procedure invariant decomposition invariant definition invariant delta-function invariant density invariant derivative invariant differential invariant differential equation invariant differential form invariant differential operator invariant dimension property invariant distance invariant distribution invariant divisor invariant element invariant embedding

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