Unit One Structure of Automobile Unit Two Engine Operating Principles Unit Three Automobile Engines Unit Four Valve Gear Unit Five How Car Cooling Systems Work Unit Six Fuel Supply System of Gasoline Engine Unit Seven Clutch Unit Eight What Is Transmission Unit Nine Brake System Unit Ten Engine Starting System Unit Eleven Testing Tools Unit Twelve Automotive Air-Conditioning System Unit Thirteen How Car Computers Work 附錄一 汽車譯名對照 附錄二 汽車常用縮略語英漢對照 附錄三 汽車電器與電子設備名詞術語漢英對照 參考答案