“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	dirty snowball dirty-snowball model dirty-snowball theory dirty state dirty-suction vehicle dirty superconductor Dirty Virtues: The Emergence of Ecological Virtue Ethics dirty work Dirē Dawa DIS dis- disability Disability Adjusted Life Year, DALY disability care disability employment quotas disability employment services disability income insurance disability in older people disability rate disability services Disability Weight disabled people rehabilitation disabled people rights protection disabled rehabilitation security disabled wear

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