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    1.  
      异径直通(Reducer straight pipe)
      规格(Type)
      d
      D
      d1
      D1
      L
      S16-14
      11.8
      16.5
      9.8
      14.5
      47
      S18-14
      13.8
      18.5
      9.8
      14.5
      47
      S18-16
      13.8
      18.5
      11.8
      16.5
      4
      S20-14
      15.8
      20.5
      9.8
      14.5
      48.8
      S20-16
      15.8
      20.5
      11.8
      16.5
      48.5
      S20-18
      15.8
      20.5
      13.8
      18.5
      48.5
      S25-16
      19.8
      25.5
      11.8
      16.5
      50
      S25-18
      19.8
      25.5
      13.8
      18.5
      50
      S25-20
      19.8
      25.5
      15.8
      20.5
      505
      S32-20
      25.8
      32.5
      15.8
      20.5
      52.5
      S32-25
      25.8
      32.5
      19.8
      25.5
      53
       
       
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