选择题:A.135135 B.131670 C.128700 D.124300 题目分类:公用设备师 题目类型:选择题 号外号外:注册会员即送体验阅读点! 题目内容: A.135135B.131670C.128700D.124300 参考答案: 答案解析:
A.ab段:DN50mm,通气立管(T):DN100mm,ef段:DN150mm,坡度:i=0.015 B.ab段:DN75mm,通气立管(T):DN100mm,ef段:DN150mm,坡度:i=0.020 C.ab段:DN75mm,通气立管(T):DN75mm,ef段:DN150mm,坡度:i=0.020 D.ab段:DN75mm,通气立管(T):DN100mm,ef段:DN150mm,坡度:i=0.015 A.ab段:DN50mm,通气立管(T):DN100mm,ef段:DN150mm,坡度:i=0.015 B.ab段:DN75mm,通气立管(T):DN100mm,ef段:DN150mm,坡度:i=0.020 C.ab段:DN75mm,通气立管(T):DN75mm,ef段:DN150mm,坡度:i=0.020 D.ab段:DN75mm,通气立管(T):DN100mm,ef段:DN150mm,坡度:i=0.015 分类:公用设备师 题型:选择题 查看答案