英语词典
The desilting rate for coarse grain which diameter more than 0 5 mm is 100 percent, and for fines which grain diameter less than 0 5 mm is 90 percent, the water consumption is only 2-3 percent of channel diversion.
对0.5mm以上的粗颗粒泥沙的截沙率为100%,对0.5mm以下细颗粒泥沙的截沙率为90%,排沙耗水量仅占渠道引水量的2%~5%。
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