短語詞組短語first impoundment 首次蓄水water impoundment 蓄水impoundment effect 蓄水效應reservoir impoundment 水庫蓄水surface impoundment 地面儲存natural impoundment 天然蓄水tailings impoundment 尾礦堆存impoundment basin 集水池;應急池impoundment lake 集水池 返回 impoundment