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    高压闸阀的运作优点

    2017-03-20 关注次数:

    1.结构简单,制造和维修比较方便。

    2.工作行程小,启闭时间短。

    3.密封性好,密封面间磨擦力小,寿命较长。

    通風蝶閥|渠道闸门|盲板阀|插板阀|煤气闸阀

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