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