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空调系统轴测图
工程制图13-轴测图
工程制图13-轴测图
空调系统外文翻译-空调系统英文文献及翻译
Air Conditioning Systems Air conditioning has rapidly grown over the past 50 years, from a luxury to a standard system included in most residential and commercial buildings. In 1970, 36% of residences in the U.S. were either fully air conditioned or utilized a room air conditioner for cooling (Blue, et al., 1979). By 1997, this number had more than doubled to 77%, and that year also marked the
