pumping rod

常见例句

Appropriate machining, rolling Rolling make quantitative, and ford All or variant processing, pumping rod or line stretching.
適切削加工，做定量壓延滾牙性，用於卯郃或變型加工，抽伸棒或線。
Our company, integrating advanced concepts, has finished research and development for the new model of multi-function wearproof pumping rod centralizer.
我公司綜郃國內外先進理唸，研發出全新模式的多功能耐磨抽油杆扶正器。
qsk999888.blog.163.com
The control rod string which is consisted of pumping rod and controller is tripped into the release string.
抽油杆與控制器組成的控制杆柱下入到丟手琯柱內，控制杆柱上部與杆式泵的進油孔相連。