精品文献
空调系统堵症状
汽车空调系统冰堵的判断与排除
冰堵一般是指空调制冷系统工作时,在膨胀阀处发生结冰而形成的堵塞现象。冰堵故障原因是制冷系统中混入了水分,而水结冰造成冰堵。冰堵只能发生在制冷系统中的节流部位,即膨胀阀节流孔处。因为R-12制冷剂与水一般是互不相溶的,当液态R-12流经膨胀阀的节流小孔时,温度突然下降,这些混入在液态制冷剂中的水分就容易在节流小孔或阀针孔周围
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
