我国汽车的排放与控制

排放标准和相关法律法规是控制汽车污染物排放的依据。简要回顾了我国汽车排放标准体系的形成及其发展趋势;并根据近年来国家汽车排放抽查和日常检测数据,按车型分类说明了我国汽车排放的现状;简要介绍了相关的车用燃料标准制、修订情况;文中最后部分介绍了近年来我国所做的其它一些基础工作,包括汽车排放试验室网络建设和比对试验工作以及对排放控制有关部件实施产品认定等工作。

Suspension is the important part of vehicle,which has great in fluence on vehicle riding comfort,handle stability,etc.Hence the controllable suspension system which can control suspension operating status according to ro adprofile,working conditions and loading conditions to maintain optimal riding performance has been gotten extensive con-cern and development.Various suspen sion system structure and principle are introduced,and problems in suspension de-sign and study direction are concluded in this paper.