trapezoidal channel detail 梯形渠
trapezoidal channel substrate 梯形沟道衬底
an open trapezoidal channel 梯形明渠
trapezoidal channel with curved bottom 梯形弧底渠
trapezoidal open channel 梯形断面明渠
channel with trapezoidal section 梯形断面排水沟
Trapezoidal channel depth features - normal depth, critical depth, depth and contraction of conjugated water depth is calculated and mechanical design of a water conservancy project is particularly important parameters.
梯形明渠特征水深—正常水深、临界水深、共轭水深和收缩水深是水力学计算和水利工程设计中一个特别重要的参数。
参考来源 - 梯形明渠特征水深直接计算方法研究·2,447,543篇论文数据，部分数据来源于NoteExpress
The solution process of critical depth on trapezoidal channel is to solute a single variable.
梯形明渠临界水深的求解过程是求解一个单变量超越方程的过程，理论上无解析解。
Trapezoidal channel with its over-current capacity, sediment transport capacity, construction of simple and commonly used features has been widely used in irrigation.
梯形渠道以其过流能力大、输沙能力强、施工简便的特点，已经在灌区得到了广泛应用。
The reliability analysis on capacity of a trapezoidal open channel which with its upstream weir of sluices is taken to be a series connecting hydraulic system is given in this paper.
本文将明渠及其上游的堰闸视为一个水力系统，然后研究梯形断面明渠过流能力的可靠性。
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