“expandable casing”的概念、定义、翻译、参考文献-科学参考

单词	expandable casing
释义	expandable casing Encyclopedia 理学孔内钻具释 expandable casing膨胀套管技术在钻井或修井施工过程中，将套管柱下入井底，用膨胀锥头以液力或机械力的方法使管材永久形变，从而达到增大套管直接的目的，以实现节省井眼尺寸，封堵复杂地层的技术。
随便看	survey research survey sampling survey-sampling Surveys in Geophysics survey telescope survey unemployment rate survivability survivability of the missile survival survival ability of nuclear weapon survival analysis survival at sea survival competitiveness survival consumption survival curve survival data survival density survival dose survival function survival model survival of the fittest survival potential survival probability survival-processing advantage survival rate

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