bed material的意思|示意
美 / bed məˈtiəriəl /
英 / bɛd məˈtɪriəl /
河床物质,床沙
bed material相关例句
Bed material samplers, as first developed , may be divided into three types.
最初的河床质取样器有三种类型.
辞典例句
The released flow from reservoirs carries less sediment load of bed material than pre ? dam periods.
建坝后水库 下泄 水流挟带的床沙质含沙量减少,坝下游河床出现冲刷.
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