汽车是人们生产和生活中十分重要的交通工具，同时又是耗能的主要大户，也是大气污染源之一。随着汽车工业的发展和汽车保有量的不断增加，能耗也在增多，汽车尾气的排放也越来越严重地影响着空气的质量。汽车化油器是发动机的重要部件，它对汽车能耗和尾气排放起着至关重要的? Automobile is a very important means of transportation for people’s production and life. At the same time, it is one of the major energy-consuming vehicles and one of the sources of air pollution. With the development of the automobile industry and the continuous increase of car ownership, the energy consumption is also increasing. The emission of automobile exhaust also affects the air quality more and more seriously. Car carburetor is an important part of the engine, which is essential for car energy consumption and exhaust emissions?