轨底坡 rail cant ; cant of rail ; rail could like ; rail cish
临界底坡 critical slope ; critical bed slope
水底坡度 underwater gradient
水平底坡 horizontal slope
海底坡度 underwater gradient ; Gradient under water
锁底坡口 single bevel groove with backing locked
基底坡度 Bottom Gradient
防护底坡 defensive gradient
管道内底坡度 invert grade
棱柱体渠道中，临界底坡是一个重要概念。
In the prism canal, the critical bed slope is an important conception.
涌流型浊流的流体厚度及速度与搬运距离和底坡成正比；
The flow height and velocity of surge-type turbidity current is proportional to the motion distance and under slope.
本文提出了一条求解小底坡梯形明渠临界水深的新途径——预估修正法。
This paper presents a new way, i. e., a advance estimate modified method, for calculating critical water depth of open channel with trapezoid section and smooth slope.
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