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    • J41Y-25,J41Y-40,J41Y-64,J41Y-100,J41Y-160,J41Y-250

      J41Y-25,J41Y-40,J41Y-64,J41Y-100,J41Y-160,J41Y-250

      J41Y-25,J41Y-40,J41Y-64,J41Y-100,J41Y-160,J41Y-250適用于公稱壓力PN1.6~16.0Mpa,工作溫度-29~550℃的石油、化工、制藥、化肥、電力行業等各種工況的管道上,切斷或接通介質。適用介質為:水、油品、蒸汽、酸性介質等。操作方式有:手動、齒輪傳動、電動、氣動等。

    • J41Y-16I鉻鉬鋼截止閥

      J41Y-16I鉻鉬鋼截止閥

      J41Y-16I鉻鉬鋼截止閥

    男人的又粗又长又硬,私人医院供精人工授精,出轨人妻被粗长征服过程
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