车辆在运行时很易污损,所以在客车段与电车段内均对车辆进行定期清洗。若用溶解方法去除车辆表面的铁质类等污物时,所使用的清洗剂是以无机酸为主的酸性清洗剂,这也是造成车辆漆膜劣化及变色的主要原因。因此,为了使油漆的涂层使用 Vehicles are easily defaced during operation, so vehicles are regularly cleaned in both the bus and tram sections. If the dissolution method to remove the iron surface of the vehicle and other dirt, the cleaning agent is based on inorganic acid-based acid cleaning agent, which is caused by vehicle paint film degradation and discoloration of the main reasons. Therefore, in order to make the paint coating use