To these people, American street sweepers and factory workers live a life of luxury.
对这些人来说，美国街头的清洁工和工厂工人的生活简直是奢侈。
Application: Suitable for lightings of street, bridge, airport, port, station, square, factory and so on.
应用：适用于道路、桥梁、机场、港口、车站、广场、工厂等场所的照明执行标准：GB 19510。
Application: Suitable for lightings of street, bridge, airport, port, station, square, factory and so on.
应用：适用于道路、桥梁、机场、港口、车站、广场、工厂等场所的照明执行标准：GB 19510。
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