短語(yǔ)詞組短語(yǔ)ungated period 閉鎖時(shí)間Ungated Flow 泄流量ungated noise 非選通噪聲ungated operation of reservoir 水庫(kù)敞泄運(yùn)行ungated road crossing 無(wú)欄木道口 返回 ungated