导流明渠
open diversion channel
Diversion channel
opened diversion channel
open-channel of diversion
弧底梯形明渠
open trapezoid channel with curved bottom
trapezoidal with arc bottom open channel
矩形平直明渠
transverse mixing coefficient
明渠测流
flow survey in open channel
明渠非恒定流
unsteady flow in open channel
open-canal unsteady flow
明渠非均匀流
open channel nonuniform flow