It mounts inside a pipe or at the bottom of a rectangular, trapezoid or egg-shapedchannel.
它内部管道或在一个矩形，梯形或蛋型通道底部坐骑。
2
The dam axis of Wanjiazhai Water Control Project is located in the wide U shapedchannel. The dam type is a straight semi monolithic gravity dam.
万家寨水利枢纽拦河坝轴线处河道断面呈偏宽“U”字形，坝型为直线半整体式重力坝。
3
The design method of U-shapedchannel optimal hydraulic cross section and the calculation equation used to determine the bottom circle's radius of U-shapedchannel is proposed in this paper.