pumping rod

常见例句

Appropriate machining, rolling Rolling make quantitative, and ford All or variant processing, pumping rod or line stretching.
适切削加工，做定量压延滚牙性，用于卯合或变型加工，抽伸棒或线。
Our company, integrating advanced concepts, has finished research and development for the new model of multi-function wearproof pumping rod centralizer.
我公司综合国内外先进理念，研发出全新模式的多功能耐磨抽油杆扶正器。
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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。