... 偏磨井 eccentric-wear well 偏磨问题 eccentric-wear problem 偏心，偏心件，偏心轮 eccentric ...
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eccentric-wear problem
偏磨问题
以上为机器翻译结果，长、整句建议使用 人工翻译 。
The problem of eccentric wear of tubing and rod strings in rod pumped Wells is very severity in recent years, and led to service frequently, pump inspection period shorten and service cost enhanced.
近年来抽油机井管、杆之间的偏磨问题十分突出，导致作业频繁，检泵周期短，作业成本增加。
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