A.5m
B.3m
C.1.36m
D.0.94m
[单选题]矩形排水沟,底宽5m,水深3m,水力半径为( )。A.5mB.3mC.1.36mD.0.94m
[单选题]矩形排水沟,底宽5m,水深3m,水力半径为( )。A.5mB.3mC.1.36mD.0.94m
[单选题]矩形排水沟,底宽5m,水深3m,水力半径为( )。A.5mB.3mC.1.36mD.0.94m
[单选题]矩形排水沟,底宽5m,水深3m,水力半径为()。A.5mB.3mC.1.36mD.0.94m
[单选题]矩形排水沟,底宽5m,水深3m,水力半径为( )。A.5mB.3mC.1.36mD.0.94m
[单选题]矩形排水沟,底宽5m,水深3m,水力半径为()。A.5mB.3mC.1.36mD.0.94m
[单选题]矩形排水沟,底宽5m,水深3m,水力半径为( )。A.5mB.3mC.1.36mD.0.94m
[单选题]矩形排水沟,底宽5m,水深3m,水力半径为( )。A.5mB.3mC.1.36mD.0.94m
[单选题]矩形排水沟,底宽5m,水深3m,水力半径为( )。A.5mB.3mC.1.36mD.0.94m
[单选题]矩形排水沟,底宽5m,水深3m,水力半径为( )。A.5mB.3mC.1.36mD.0.94m