单词	positive affect
释义	positive affect 实在原因
随便看	Dual flow concentration process dual flow oil burner dual-flow oil burner dualflow oil filter dual flow oil filter dual-flow oil filter dualflow path dual flow path Dual Flow Rapid Dyeing Machine dualflow tray dual flow tray dual-flow tray dual-flow turbine dual flow turbojet engine dual-flow turbojet engine dual-flow type tower dual-fluid dual fluidized bed gasification dual fluid power converter dual fluorescence dual-fluorescence dual-flush dual-flush flushing cistern dualfocusing mass spectrometer dual focusing mass spectrometer