论文部分内容阅读
据机械工业部汽车工业司透露,我国《汽车工业产业政策》中规定,总重量不超过2吨的客车在2000年前全部采用无铅汽油。为此,汽车部门已要求对国内有代表性的机型进行可靠性试验,并对发动机排气阀的材料、加工工艺和加工设备等进行相应调整和改变。中国石化总公司规划院也在日前透露,我国将在2000年消灭70号汽油,增加高级汽油生产比例,并考虑在北京、天津、上海、广州、深圳等大城市全部使用无铅汽油。其他地区先
According to the Automobile Industry Department of the Ministry of Machinery Industry, China’s “Industry Policy on the Automobile Industry” stipulates that passenger cars with a total weight of no more than 2 tons will use unleaded gasoline by the year 2000. For this reason, the automobile department has requested reliability tests on representative models in China and adjusted and changed engine exhaust valve materials, processing technology, and processing equipment accordingly. The Planning Institute of China National Petrochemical Corporation also revealed recently that China will eliminate No. 70 gasoline in 2000, increase the proportion of advanced gasoline production, and consider the use of unleaded gasoline in major cities such as Beijing, Tianjin, Shanghai, Guangzhou and Shenzhen. Other areas first