A .1:0.3-1:0.5
B .1:0.5-1:0.75
C .1:0.2-1:0.3
D .1:0.75-1:1
[单选题]石方挖方边坡,20-30米的坡率一般为()。A .1:0.3-1:0.5B .1:0.5-1:0.75C .1:0.2-1:0.3D .1:0.75-1:1
[单选题]较密实的土质挖方边坡,20米以下的坡率一般为()。A .1:0.5-1:0.75B .1:0.75-1:1C .1:1-1:1.25D .1:1.25-1:1.5
[单选题]较密实的土质挖方边坡,20-30米的坡率一般为()。A .1:0.5-1:0.75B .1:0.75-1:1C .1:1-1:1.25D .1:1.25-1:1.5
[判断题]路基断面图中,挖方坡度一般为1:5,填方边坡一般为1:1。A.对B.错
[单选题]临时性挖方一般(硬)黏性土边坡值应为()。A.1:0,75-1:1,00B.1:0.50~1:0.75C.1:0.30~1:0.75D.1:0.30~1:0.50
[单选题]临时性挖方一般软黏性土边坡值应为()。A.1:0.75~1:1.00B.1:1.50或更缓C.1:1.00-1:1.25D.1:1.25-1:1.50
[单选题]临时性挖方一般软黏性土边坡值应为()。A.1:0.75~1:1.00B.1:1.50或更缓C.1:1.00~1:1.25D.1:1.25~1:1.50
[单选题]临时性挖方一般软黏性土边坡值应为()。A.1:0.75~1:1.00B.1:1.50或更缓C.1:1.00~1:1.25D.1:1.25~1:1.50
[单选题]临时性挖方一般(硬)粘性土边坡值应为()。A.1:0.75~1:1.00B.1:0.50~1:0.75C.1:0.30~1:0.75D.1:0.30~
[单选题]临时性挖方一般(硬)粘性土边坡值应为()。A.1:0.75~1:1.00B.1:0.50~1:0.75C.1:0.30~1:0.75D.1:0.30~