问题
单项选择题
检查井井底宜设流槽,污水检查井流槽顶可与______倍大管管径相平,雨水和合流检查井流槽顶可与______倍大管管径相平。
A.0.5,0.4
B.0.65,0.5
C.0.75,0.6
D.0.85,0.5
答案
参考答案:D
检查井井底宜设流槽,污水检查井流槽顶可与______倍大管管径相平,雨水和合流检查井流槽顶可与______倍大管管径相平。
A.0.5,0.4
B.0.65,0.5
C.0.75,0.6
D.0.85,0.5
参考答案:D