river bottom sediment的意思|示意

Professor Cardenas says his recent study shows that more than 99 percent of the river's water does pass through the river's sediment which is on the shore or bottom of the river.

卡德纳斯教授表示，他最近的一项研究显示，99%的河流水确实会穿过河岸边或河底的沉积物。

High sediment charge of Minjiang River caused severe abrasim of barrage gate's bottom plate, upstreams blanket & downstreams fencing wall during many year's operation.

由于岷江含沙量大，使得映秀湾水电站拦河闸在多年运行中间室底板、上游铺盖和下游护坦磨损严重。