By measuring engine coolant temperature, the ECM knows the _____ temperature of the engine.
A. effective
B. average
C. highest
D. lowest
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The _____consists of the fuel tank, fuel pump, fuel filter, fuel supply pipe, fuel injector, fuel pressure regulator, and fuel return pipe.
A. fuel supply system
B. air supply system
C. oil supply system
D. fuel inject system
The pipes connected to the fuel tank are : the fuel supply line, the return line, the _____ line and other lines.
A. vapor
B. oil
C. water
D. fuel
The fuel supply line is used to carry fuel from the ___ to the filter and then to the fuel pump.
A. tank
B. pan
C. case
D. chamber
功角是空载电动势与发电机端电压这两个时间物理量之间的夹角
A. 对
B. 错