油杆 meaning in English

dirod

The metering rod either has two or more steps of different diameters or is tapered at its lower end .
量油杆可以有两个或更多个不同直径的台阶，或在它的下端被逐渐削成锥形。
Carbon fibre composite continuous sucker rod
碳纤维复合材料连续抽油杆
Method for determining service deadline of sucker sods in use
在用抽油杆服役期限的确定方法
A simulation demo system based on intelligent decision
玻璃钢混合抽油杆柱动特性的计算机模拟
Discuss of contribution factors of sucker rod torsional vibration
抽油杆扭转振动形成因素浅析

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