北京作为一座现代化的开放的超大型城市,和2008年奥运会的东道主,近年来城市建设日新月异,城市扩展速度越来越快。条条大道笔直宽敞,对道路清扫的要求(质量、效率、二次污染、安全性等方面)也越来越高。市政环卫部门作为道路保洁的主力军,该如何适应不断变化的形势和北京市社会 As a modern mega-open metropolis and the host city of the 2008 Olympic Games, Beijing has seen rapid urban development in recent years and its urban expansion is getting faster and faster. Straight and spacious road, the requirements of road cleaning (quality, efficiency, secondary pollution, safety, etc.) are also getting higher and higher. Municipal sanitation department as the main force of road cleaning, how to adapt to the changing situation and Beijing society