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近年来,我国城市现代化建设进程不断加快,对市政与环卫作业机械化程度的要求越来越高,由此对道路清扫车、垃圾清运车等环卫车辆的需求量也在日益增加。按建设部要求,进入21世纪时城市道路机械化清扫率要超过40%,而我国由于多种条件的限制,许多城市距这一要求还有很大差距(2002?
In recent years, the process of urban modernization in our country has been accelerating and the requirements on the degree of mechanization of municipal and sanitation operations have been increasing. As a result, the demand for sanitation vehicles such as road sweeping vehicles and garbage trucks is also on the rise. According to the requirements of the Ministry of Construction, the urban road mechanization clean-up rate in the 21st century should exceed 40%. Due to various conditions in our country, many cities still have a long way to go in terms of this requirement (2002?