量下降 rate of reduction: 鍛造比; 還原速率reduction rate: 還原速度; 還原速率; 減速比; 減速率; 轉(zhuǎn)速比flow rate or rate of flow: 比移值,移動(dòng)率,比移rate of flow, flow rate: 流率flow rate: 流速;流量。 下載手機(jī)詞典可隨時(shí)隨地查詞查翻譯