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【简答题】EFI electronic fuel injection
【单选题】_______is not a feature of the electronic controlled engines.
A.
Lower fuel consumption
B.
Better balanced cylinder power
C.
A shorter overhaul period
D.
Less smoke emission
【单选题】The fuel system has the job of supplying a combustible mixture of air and fuel to the engine. There are two different types of petrol fuel systems: systems with a ______ and systems with electronic fu...
A.
carburetor
B.
thermostat
C.
throttle
D.
regulator
【简答题】对工件装夹的基本要求有哪些? 2、说出常用装夹方式及其特点和使用场合? 3、工件装直接在右支架或左支架上面可以吗?为什么?
【单选题】As the plunger moves up, the ports are closed and the fuel _____ and delivered to the injector nozzle at very high pressure.
A.
being compressed
B.
to be pumped up
C.
is pressurized
D.
are built up
【判断题】The Electronic Fuel Injection system can be divided into three basic subsystems. These are the fuel delivery system, air induction system, and the electronic control system.
A.
正确
B.
错误
【单选题】I’m sorry. I was under ________impression that you were________general manager of your company.
A.
an；/
B.
/；a
C.
an；a
D.
the；/
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