river bottom sediment

基本解释

This article, by means of biological toxicity tests, analyzes the feature of the bottom Sediment poison pollution in the Dashahe River.
运用生物毒性监测方法，对深圳市南山区大沙河底泥毒物污染特征进行了分析。
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。
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。