coiled pumping rod 连续抽油杆
continuous pumping rod 连续抽油杆
double hollow pumping rod 双空心杆
hollow pumping rod production 空心杆采油
old pumping rod 旧抽油杆
new pumping rod 新型抽油杆
oil pumping rod 抽油杆柱
pumping rod string 抽油杆柱
Wire line flexible pumping rod is a coiled rod with sealing wire line.
钢丝绳柔性抽油杆是一种特种密封钢丝绳的连续抽油杆。
Through analyses the force on the pumping rod, building-up the polish rod mathematical model.
经对抽油杆柱的井下受力分析，建立了光杆功率数学模型；
The control rod string which is consisted of pumping rod and controller is tripped into the release string.
抽油杆与控制器组成的控制杆柱下入到丢手管柱内，控制杆柱上部与杆式泵的进油孔相连。
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