• Many applications require gate, globe and stop-check valves to use gearing to reduce the hand wheel rimpull and thus allow one man to manually seat or unseat the valve.

    许多实际应用要求闸阀截止截止止回阀采用齿轮装置降低手轮的边缘拉力,使得一个的力量就可以启闭阀门。

    youdao

  • Many applications require gate, globe and stop-check valves to use gearing to reduce the hand wheel rimpull and thus allow one man to manually seat or unseat the valve.

    许多实际应用要求闸阀截止截止止回阀采用齿轮装置降低手轮的边缘拉力,使得一个的力量就可以启闭阀门。

    youdao

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