“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	pitch discrimination Pitcher pitcher plant pitcher-plant family pitchfork pitchfork bifurcation pitch frequency pitching pitching angle Pitch Lake pitch marks pitch of a helix pitch offset calibration pitchout pitchover pitch/rake pitch range pitch registration pitchstone pitch synchronous overlap add pitch system pitch time pitch／rake side Pitesti pit-filling problem

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