A.0.42m/s
B.0.48m/s
C.0.6m/s
D.0.75m/s
[单选题]一梯形断面明渠,水力半径R=0.8m,底坡i=0.0006,粗糙系数n=0.05,则输水流速为( )。A.0.42m/sB.0.48m/sC.0.6
[单选题]一梯形断面明渠,水力半径R=0.8m,底坡i=0.0006,粗糙系数n=0.05,则输水流速为( )。A.0.42m/sB.0.48m/sC.0.6
[单选题]一梯形断面明渠,水力半径R=0.8m,底坡i=0.0006,粗糙系数n=0.05,则输水流速为()。A.0.42m/sB.0.48m/sC.0.6m/
[单选题]一梯形断面明渠,水力半径R=0.8m,底坡i=0.0006,粗糙系数n=0.05,则输水流速为( )。A.0.42m/sB.0.48m/sC.0.6
[单选题]一梯形断面明渠,水力半径R=0.8m,底坡i=0.0006,粗糙系数n=0.05,则输水流速为()。A.0.42m/sB.0.48m/sC.0.6m/
[单选题]一梯形断面明渠,水力半径R=0.8m,底坡i=0.0006,粗糙系数n=0.05,则输水流速为( )。A.0.42m/sB.0.48m/sC.0.6
[单选题]一梯形断面明渠,水力半径R=0.8m,底坡i=0.0006,粗糙系数n=0.05,则输水流速为( )。A.0.42m/sB.0.48m/sC.0.6
[单选题]一梯形断面明渠,水力半径R=0.8m,底坡i=0.0006,粗糙系数n=0.05,则输水流速为( )。A.0.42m/sB.0.48m/sC.0.6
[单选题]一梯形断面明渠,水力半径R=0.8m,底坡i=0.0006,粗糙系数n=0.05,则输水流速为( )。A.0.42m/sB.0.48m/sC.0.6
[单选题]一梯形断面明渠,水力半径R=0.8m,底坡i=0.0006,粗糙系数n=0.05,则输水流速为( )。A.0.42m/sB.0.48m/sC.0.6