fish ladder
柯林斯詞典
1. N a row of ascending pools or weirs connected by short falls to allow fish to pass barrages or dams (使魚類游過障礙或水壩而建造的)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 (使魚類游過障礙或水壩而建造的)魚梯