Progressing Cavity Pump 螺杆泵
progressing cavity pump well 螺杆泵井
subsurface progressing cavity pump 井下螺杆泵
Submersible Progressing Cavity Pump 潜油螺杆泵
down hole progressing cavity pump 井下螺杆泵
single progressing cavity pump system 单螺杆泵系统
progressing cavity pump oil production 螺杆泵采油
electric submersible progressing cavity pump 电动潜油螺杆泵
progressing pump
进步泵
以上为机器翻译结果，长、整句建议使用 人工翻译 。
Due to the special structure of controlled direction well, it can lead to severe abrasion even jamming if not adopting any measure when using progressing cavity pump rod to pump oil.
由于定向井井身结构特殊，利用螺杆泵进行抽油时如不采取任何措施势必造成杆柱严重磨损甚至卡死。
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