eccentric rod and reverse link pin
偏心杆与月牙板销

Origin Analysis of Pumping Rod and Tubing Eccentric Attrition in Vertical Well
直井管杆偏磨成因分析

Analysis of Causes of Eccentric Wear and Corrosion for Rod Pump and Its Preventive Measures
有杆泵井偏磨腐蚀原因探析及防治

Analysis on eccentric wear between sucker rod and tubing in heavy oil well and governance discussion
孤东稠油井管杆偏磨分析及治理探讨

THE FEATURES AND LAW OF ROD STRING ECCENTRIC WEAR IN ARTIFICIALLY LIFTED WELL OF CHAOYANGGOU OILFIELD AND ITS TREATMENT
朝阳沟油田机抽井管杆偏磨特征规律及综合治理认识

Characteristics of Motional Law of Large Eccentric Double Crank Connecting Rod Mechanism Adopted in Single Cylinder Diesel Engine and Its Influences on Working Process of Diesel Engines
大偏心双曲柄单缸柴油机运动规律及工作过程的研究