A.①:DN100mm,AB:DN225mm,BC:DN150mm,CD:DN125mm B.①:DN100mm,AB:DN150mm,BC:DN125mm,CD:DN100mm C.①:DN100mm,AB:DN200mm,BC:DN150mm,CD:DN125mm D.①:DN125mm,AB:DN200mm,BC:DN150mm,CD:DN125mm正确答案C
A.①:DN100mm,AB:DN225mm,BC:DN150mm,CD:DN125mm B.①:DN100mm,AB:DN150mm,BC:DN125mm,CD:DN100mm C.①:DN100mm,AB:DN200mm,BC:DN150mm,CD:DN125mm D.①:DN125mm,AB:DN200mm,BC:DN150mm,CD:DN125mm正确答案C