随着我国国民经济建设的发展,国产和从国外引进各种机具设备不断增加、通过初步调查(见表一),河南省交通公路工程处机械工程队从1985年以来新增使用特种油品较多的各种工程机械和车辆占1979前—1985年总数的82.5％。年实际使 With the development of our country’s national economy, the import of various equipment both domestically and abroad has been increasing constantly. Through the preliminary investigation (see Table 1), the mechanical engineering team of Highway Traffic Engineering Department of Henan Province has added the use of special oil products since 1985 A large number of construction machinery and vehicles accounted for 82.5% of the total from 1979 to 1985. Years actually make