eccentric rod gear 偏心轮杆齿轮 ; 偏心杆传动装置
eccentric rod pin 偏心轮杆销
eccentric rod of plunger 柱塞偏心轮杆
eccentric rod seat 偏心杆座
backing eccentric rod 后行偏心杆
forward eccentric rod 前行偏心杆
forward and reverse eccentric rod 前行偏心杆
eccentric cross rod 偏心轮横杆 ; 偏偏心轮横杆
eccentric go-astern rod 偏心轮后退杆 ; 偏心轮撤退杆
This seal device has the advantages such as anticorrosion avoiding eccentric abrasion and rod broken good seal performance.
该密封装置具有抗腐蚀、防偏磨、防断杆、密封性能好等特点。
When the eccentric disc rotates in the positive direction, the support rod is driven to rotate upwards so as to lift weight.
偏心盘作反方向偏心旋转时支撑杆随偏心盘作向下方向旋转，使举重器下降复位。
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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