题目内容
(请给出正确答案)
[单选题]
垂线平均流速计算,当采用三点法时,取相对水深()处的平均值。
A.0.2,0.6,0.8
B.0.2,0.4,0.6
C.0.4,0.5,0.6
D.0.4,0.6,0.8
查看答案
如果结果不匹配,请 联系老师 获取答案
A.0.2,0.6,0.8
B.0.2,0.4,0.6
C.0.4,0.5,0.6
D.0.4,0.6,0.8
A、0.2h、0.6h、0.8h
B、0.2h、0.4h、0.8h
C、0.4h、0.6h、0.8h
D、0.2h、0.4h、0.6h