短語詞組短語Economic loss threshold 有經(jīng)濟損失門檻Economic traffic threshold 經(jīng)濟交通量分界點economic injury threshold 經(jīng)濟損限economic control threshold 防除閾值Eco -economic threshold 生態(tài)經(jīng)濟閾值eco -nomic period threshold 生態(tài)經(jīng)濟防治閾期economic threshold et 經(jīng)濟限界;經(jīng)濟閾值Time Economic Threshold 時間經(jīng)濟閾值 返回 economic threshold