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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。

      中文字幕午夜福利_蜜芽国产成人精品区_中文字幕一区二_久久久久无码国产精品一区
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