回掃電子束 逆程電子束returnspring: 回拉彈簧returns to yanan: 回延安returntime: 回描時(shí)間 倒轉(zhuǎn)時(shí)間returns to scale of plant: 工廠規(guī)模的收益率returntoinnocence: 璞歸真下載手機(jī)詞典可隨時(shí)隨地查詞查翻譯
