“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	problem of moduli problem of moments problem of n bodies problem of optimal control problem of optimization problem of points problem of possible construction problem of prime twins problem of pursuit problem of quadrature of a circle problem of random walk problem of routing aircraft problem of satisfiability problem of squaring a circle problem of stability of solar system problem of tautochrone problem of testing problem of the 13 spheres problem of the 15 schoolgirls problem of the 36 officers problem of the advance of Mercury’s perihelion problem of the kings problem of the needle problem of the queens problem of the seven bridges of Konigsberg

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