submerged orifice fish pass的意思|示意
美 / /
英 / /
潜孔鱼通过
submerged orifice fish pass的网络常见释义
淹没孔口式鱼道 ... stepped-pool fish pass 跌塘式鱼道 submerged orifice fish pass 淹没孔口式鱼道 weir-type fish pass 堰式鱼道 ...