长冲程的英文

例句与用法

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1. A new kind of long stroke wheel style pumping unit
   一种长冲程转轮式抽油机
2. The design of chain type long stroke pumping unit
   链式长冲程抽油机设计
3. A kind of long - strike oil pumping machine using planet - gear
   一种行星齿轮长冲程抽油机的换向机构研究
4. The research on lower super - long stroke pumping unit with a cylinder - chain
   圆柱链低矮式超长冲程抽油机的研究
5. Parameter analysis of long stroke pumping units of accurate counterbalance and dual - belt of b - 14 - type
   14型全平衡双带长冲程抽油机参数分析