fish ladder
柯林斯词典
1. N a row of ascending pools or weirs connected by short falls to allow fish to pass barrages or dams (使魚類遊過障礙或水垻而建造的)魚梯
返回 fish ladder
1. N a row of ascending pools or weirs connected by short falls to allow fish to pass barrages or dams (使魚類遊過障礙或水垻而建造的)魚梯