为此，许多收费站、服务区尝试用洗衣粉、洗涤剂、重碱等方法清除，但效果不理想。
For this reason, many toll stations, service 'areas to try washing powder, detergent, alkali and other methods to remove heavy, but not ideal.
适用领域：造船厂，矿山，车间，厂房，库房，公路收费站，大型超市，展览馆，体育馆等需要工矿照明的场所。
Areas of application: shipyards, mines, workshops, machine halls, warehouses, road toll stations, supermarkets, exhibition halls, Gymnasiums, etc.
太阳能交通警示黄闪灯和太阳能交通信号灯，广泛应用于高速公路、收费站、十字路口、分割岛、桥梁、停车场等各个方面。
Solar energy traffic warning yellow lamp and solar energy traffic single lamp are widely used on super high way, charge station, crossways, zebra line bridge and parking lot and other areas.
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