单词	空气标准
释义	空气标准air standard
随便看	dual dimensioning dual diode dual-directional coupled dual discourse dual disk drive dual displacement engine dual display dual distribution dual distribution system dual diversity receiver dual drive dual driving wheel dual drum mixer dual-dry-load calorimeter dual-duct air conditioning system dual duct system dual-duct vav terminal device dual duty dual-earner model dual economy dual effect mutation dual effect mutation (engels 1961) dual electrical network dual element dual element fuse