kōng / tiáo / lì / yòng / zhì / lěng / jì / de / qián / rè / biàn / huà / lái / jiàng / dī / shì / nèi / wēn / dù空调利用制冷剂的潜热变化来降低室内温度。Air conditioners use the latent heat changes of the refrigerant to lower indoor temperature.