• The utility model relates to a single-action two-way equalizing valve, comprising a valve body, a valve plug, a valve rod, a pressing cover, a compensating cushion ring, etc.

    实用新型是一种动双平衡由阀体、阀、阀、补偿垫圈等组成。

    youdao

  • The utility model relates to a single-action two-way equalizing valve, comprising a valve body, a valve plug, a valve rod, a pressing cover, a compensating cushion ring, etc.

    实用新型是一种动双平衡由阀体、阀、阀、补偿垫圈等组成。

    youdao

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进来说说原因吧 确定