“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	length-of-day change of the earth length of delay length of exposure length of intervals length of iteration length of laminar jet flame length of lay length of life length of normal length of pendulum length of perpendiculars length of river length of sampling length of shot length of sleeper length of span length of stemming length of stroke length of tangent length of the chord length of the period length of the tropical year and length of the synodic month length of Weyl reflection length-preserving embedding length-preserving mapping

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