“progressive cavity pump production”的概念、定义、翻译、参考文献-科学参考

单词	progressive cavity pump production
释义	progressive cavity pump production Encyclopedia 工学螺杆泵采油法释 progressive cavity pump production螺杆泵采油法由螺杆泵、抽油杆柱、抽油杆扶正器及地面驱动系统等组成的无杆抽油装置进行采油的方法。
随便看	left-hand parenthesis left-hand rule left-hand side left hand spinors left-hand upper derivative left-hand upper limit left hereditary ring left heredity left Hermite ring left homotopy inverse left ideal left ideal of an algebra left identity element left identity 「= left identity left indent left injective dimension left injective ring left inner product left integral left invariance left invariant left-invariant left invariant form left invariant function left invariant Haar measure

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