crest of weir
堰口测量 Measurement weir
出口堰 exit weir ; outlet weir
单支进模口本堰 single gate
河口堰 Estuary weir
缺口堰 Notch
切口堰 notched weir
可调出口堰 adjustable outlet weir
可调入口堰 adjustable inlet weir
如果大坝崩溃，拥有60万人口的都江堰首当其冲。
Dujiangyan, with a population of 600, 000 would be devastated by a dam failure first.
youdao
应用推荐
模块上移
模块下移
不移动