A①:DN100mm,AB:DN225mm,BC:DN150mm,CD:DN125mm
B①:DN100mm,AB:DN150mm,BC:DN125mm,CD:DN100mm
C①:DN100mm,AB:DN200mm,BC:DN150mm,CD:DN125mm
D①:DN125mm,AB:DN200mm,BC:DN150mm,CD:DN125mm
A①:DN100mm,AB:DN225mm,BC:DN150mm,CD:DN125mm
B①:DN100mm,AB:DN150mm,BC:DN125mm,CD:DN100mm
C①:DN100mm,AB:DN200mm,BC:DN150mm,CD:DN125mm
D①:DN125mm,AB:DN200mm,BC:DN150mm,CD:DN125mm