• In the meantime, electric wheel truck faces serious challenge from various hydraulic mechanical drive trucks with large load capacity which appeared in the markets successively.

    同时,多种载重量液力机械传动汽车的竟相出现使电动汽车面临严重挑战

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  • A dual variable-diameter wheel pumping unit, which has long stroke and low pumping speed and large load capacity, is designed based on conventional beam pumping units.

    变径轮式抽油机是在继承常规游梁式抽油机优点的基础设计成的载荷冲程冲次节能型抽油机。

    youdao

  • A dual variable-diameter wheel pumping unit, which has long stroke and low pumping speed and large load capacity, is designed based on conventional beam pumping units.

    变径轮式抽油机是在继承常规游梁式抽油机优点的基础设计成的载荷冲程冲次节能型抽油机。

    youdao

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