一般施工现场排水沟的横断面和纵向坡度不宜小于()。


一般施工现场排水沟的横断面和纵向坡度不宜小于()。

A.0.4m×0.4m,0.2%

B.0.5m×0.5m,0.1%

C.0.5m×0.5m,0.2%

D.0.4m×0.4m,0.1%

正确答案:C


Tag:横断面 排水沟 坡度 时间:2024-06-13 15:34:36