一、问题提出山区河流,漂浮着大量杂草等漂浮物,给从江河中取水,造成了严重的威胁。传统的取水头部,面临着被堵塞而不能安全取水的问题,仅就乐山市内的三江(岷江、大渡河和青衣江)上的数个取水头部,一到洪水期就要经常采取反冲等措施来清除头部的稻、杂草等,有的还不得不停产由人潜入 First, the issue raised mountain river, floating a large number of weeds and other floating objects, to take water from the river, causing a serious threat. The traditional head of water intake is confronted with the problem of being blocked and unable to safely take water. Only on the several water intake heads in Sanjiang (Minjiang River, Dadu River and Qingyi River) in Leshan City, it is necessary to frequently take countermeasures Chong and other measures to clear the head of rice, weeds, etc., and some also have to stop production sneaked into