1)open to surrounding,与大气连通的2)open to atmosphere; open to surroundings,与大气通连的3)The Climate and Tour in Dalian,大连的气候与旅游4)atmospheric connection pipe,大气连通管5)open to atmosphere,通大气的6)on-main charging,与集气管连通装煤
用法和例句
The design and lectotype of circulating pump, automatic return water switch valve, expansion tank and atmospheric connection pipe in atmospheric hot water heating boiler room are discussed.