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汽車空調系統(tǒng)的原理及養(yǎng)護——汽車空調是現(xiàn)代汽車的必備裝置,她為乘客創(chuàng)造了一個溫度濕度適宜,空氣清新的舒適環(huán)境。
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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
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