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TheHistoryofAirConditioners   Thefirstpracticalcoolings...

TheHistoryofAirConditioners   Thefirstpracticalcoolings...

2021-03-03
問題詳情：TheHistoryofAirConditioners   Thefirstpracticalcoolingsystemforuseinindustry   61   (invent)in1902byWillisCarrierinNewYork,theUSA.Hecontinuedtoimprove   62   （he)inventionand,in1...