3 空调的简单原理 出风口 膨胀阀 蒸发器 室内机 气体 室外 材冷制配管 室内 藻 吸热 气体 敢热片 压机 液体 压缩机 热空气 外空气 气体 冷凝器 室外机 回风口 散热 空调原理示意图 Florence is the capital city of the ltalian region of Tuscany and of the Metropolitan City of Florence.It is the most populous city in Tuscany.with 383.083 inhabitants(as at 2013).expanding to over 1.520,000 in the metropolitan area. 1Florence is the capital city of the Italian region of Tuscany and of the Metropolitan City of Florence. It is the most populous city in Tuscany, with 383,083 inhabitants (as at 2013), expanding to over 1,520,000 in the metropolitan area. 1 0 3