A . 0.96m/s
B . 1.0m/s
C . 0.84m/s
D . 1.2m/s
[单选题]一梯形断面的明渠,水力半径R=0.8m,底坡i=0.0006,粗糙系数n=0.025,作均匀流时该渠的断面平均流速为()A . 0.96m/sB . 1.0m/sC . 0.84m/sD . 1.2m/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