The status of various reduction motors of pumping unit has been analyzed, and a research on design of a kind of three groups duplicate gear reduction motor has been made.
分析抽油机上使用的各种减速电机的现状，对抽油机的三组双联齿轮减速电动机设计进行了研究。
The status of various reduction motors of pumping unit has been analyzed, and a research on design of a kind of three groups duplicate gear reduction motor has been made.
分析抽油机上使用的各种减速电机的现状，对抽油机的三组双联齿轮减速电动机设计进行了研究。
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