河水把下游那些冲积的河岸冲成很深的马蹄形曲线。
The water cuts the alluvial banks of the " lower " river into deep horseshoe curves.
河水把下游那些冲积的河岸冲成很深的马蹄形曲线。
The water cuts the alluvial banks of the "lower" river into deep horseshoe curves.
针对水利工程上常用的城门洞形及马蹄形过水隧洞，利用临界流方程，给出了旨在用于临界流分析的断面参数Z和水力指数M 的计算公式和表示水深与Z以及M 之间的关系曲线。
Based on the basic critical flow equation, formulae, which used to determine section factor Z and hydraulic exponent M for critical flow in city gate and horseshoe conduits, were derived.
应用推荐