“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	compact strip production compact subgroup compact submanifold compact subset compact subspace compact subvariety compact support compact support function compact surface compact tensile test compact topological group compact topological space compact torus compact transformation compact transformation group compact tungsten compact type compactum compactus compact very broadband seismometer of three-component compact X-ray source compact γ-ray source compages compaign and fraud detection compander

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