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    • JY41N-25,JY41N-40日式液化氣截止閥

      JY41N-25,JY41N-40日式液化氣截止閥

      JY41N-25,JY41N-40日式液化氣截止閥

    • J41N-40,J41N-40C液化氣截止閥

      J41N-40,J41N-40C液化氣截止閥

      J41N-40,J41N-40C液化氣截止閥采用彈性成型聚四氟乙烯為填料,填料密封性能隨介質壓力上升而增強,并具備倒密封功能,適合于高中壓燃氣輸送管路。

    • J41N-25,J41N-25C液化氣截止閥

      J41N-25,J41N-25C液化氣截止閥

      J41N-25,J41N-25C液化氣截止閥采用彈性成型聚四氟乙烯為填料,填料密封性能隨介質壓力上升而增強,并具備倒密封功能,適合于高中壓燃氣輸送管路。

    亚洲成av人片高潮喷水软件
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