汽车专业英语读译教程 第3版参考答案TEXT B.doc

汽车专业英语读译教程（第3版）TEXT B课后练习题（EXERCISES）参考答案UNIT 1 AUTOMOTIVE BASICSTEXT B Automobile’s HistoryⅠ. Translate the following English names of car makers into Chinese: 1. General Motors Corporation 通用汽车公司2. Ford Motor Co. 福特汽车公司3. Chrysler Motors Corporation 克莱斯勒汽车公司4. Toyota Motor Corporation 丰田汽车公司5. Nissan Motor Co. Ltd. 日产汽车公司6. Honda Motor Co. Ltd. 本田汽车公司7. Mitsubishi Motors Corporation 三菱汽车公司8. Mercedes-Benz AG 梅赛德斯-奔驰汽车公司9. BMW AG 宝马汽车公司10. Volkswagen AG 大众汽车公司11. Audi AG 奥迪汽车公司12. Suzuki Motor Corporation 铃木汽车公司13. Isuzu Motors Ltd. 五十铃汽车公司14. Mazda Motor Corporation 马自达汽车公司15. Volvo Car Corporation 沃尔沃轿车公司16. Volvo Bus Corporation 沃尔沃巴士公司17. Porsche AG 保时捷汽车公司Ⅱ. Translate the following English names of cars into Chinese:1. Chevrolet Corvette; Buick Century; Cadillac Deville 雪佛兰克尔维特；别克世纪；凯迪拉克德维尔2. Ford Mustang; Ford Mendeo; Lincoln Town Car 福特野马；福特蒙迪欧；林肯城市3. Dodge Caravan; Jeep Grand Cherokee; New Yorker 道奇捷龙；吉普大切诺基；纽约人4. Landcruiser; Camry; Crown; Lexus 陆地巡洋舰；凯美瑞；皇冠；雷克萨斯5. Bluebird; Sunny; Infiniti 蓝鸟；阳光；英菲尼迪6. Accord; Acura 雅阁；讴歌7. Pajero; galant 帕杰罗；格兰特8. Passat; Golf帕萨特；高尔夫UNIT 2 ENGINE MECHANICALTEXT B Valve SystemsⅠ.Answer the following questions：1. List the components of the valve system. Camshaft, valves, lifters2. What are the advantages of a VVT system? In essence, the system controls valve overlap, which means it can eliminate it completely for a glass smooth idle, or maximize it to boost volumetric efficiency and reduce pumping losses-this translates into power, economy and cleaner running at all engine speeds.3. What are the advantages of an EVC system?By controlling residual gases, minimizing pumping losses, and deactivating cylinders and valves, this technology can reduce fuel consumption and pollutant emissions by 20%. Consumers will benefit from enhanced performance from increases in low-end engine torque.Ⅱ.Translate the following terms into Chinese：1. DOHC 双顶置凸轮轴2. top dead center(TDC) 上止点3. bottom dead center(BDC) 下止点4. valve timing 气门正时5. timing belt 正时带6. valve spring 气门弹簧7. timing marks 正式标记8. push rod 推杆9. rocker arm 摇臂10. variable valve timing ( VVT ) 可变气门定时UNIT 3 FUEL INJECTION SYSTEMS（1）TEXT B Functions of the Motronic SystemsⅠ. Answer the following questions:1. What are the Motronic systems?In simple terms, Motronic is an engine-management system with a single control unit for control of ignition timing as well as fuel-injection. 2. What are the benefits of the Motronic systems?Many of the sensors important for fuel injection are also needed for ignition-system control, so the integration of the two systems can accomplish many things:· Integrated control of fuel injection and ignition can manage the engine better than control of either one alone. That is, timing is sometimes dependent on the air-fuel ratio, and vice versa; also, emissions can be reduced by coordinated control.· Engine control can be based on actual needs of each engine model based on large amounts of engine-test data during different operating conditions stored in the Motronic Read Only Memory (ROM)[1]· Many additional operating functions can be provided. Important from the standpoint of service are the adaptive functions, and the self-diagnostics for troubleshooting· Motronic advantages are better driveability and fuel efficiency, and reduced emissions. More specific benefits: a. fuel savings achieved from best combination of mixture and timingb. dependable starting, cold or hotc. stable idling at reduced rpme. relative freedom from maintenancef. good torque characteristics, allowing longer gear ratios3. What are the benefits of the sequential fuel injection? In spite of its increased cost, you'll see more pulsed Motronic sequential injection because: ·each individual injector pulse can be much longer than simultaneous injection, as long as 720° crankshaft rotation ·less intake valve opening, permitting lower idle speeds ·less variation between cylinders in air-fuel ratio for smoother idle and reduced emissions ·injector fuel-rail pressure is more constant because only one injector opens at a time, meaning smoother operation ·improved acceleration enrichment because it can be applied to the "next cylinder" ·soft rpm limitation by reducing fuel flow cylinder by cylinderⅡ.Translate the following sentences into Chinese:1. In a mechanical system (and that includes electronic ignition), as rpm increases, centrifugal weights advance timing.在机械式点火系统中（包括电子点火），随着转速的增加，离心飞块会使点火正时提前。

2. Mechanical timing has been patched with more vacuum hoses, temperature and delay valves, and other servicing headaches.机械式正时调节要有更多的真空软管、温度控制阀和延迟阀，因而会带来其他维修难题3. In Motronic systems, however, the control unit processes a number of inputs, and then adjusts timing for all conditions based on its internal data map.然而，在Motronic系统中，控制单元处理一。