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目前,許多汽車用戶為了乘坐舒適,給沒有空調(diào)的汽車增加了空調(diào)系統(tǒng),但由于沒有考慮原車能否加裝空調(diào)或者僅只增加空調(diào)裝置而未對其它部位進(jìn)行改動,使得該車在使用中出現(xiàn)了不少問題。諸如車輛的動力性、經(jīng)濟(jì)性、加速性變壞,油耗增大,發(fā)動機(jī)工作抖動,水溫升高甚至“開鍋”,整車電力不足(夜間更甚)等問題,而且制冷效果不佳。
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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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