题目内容
As the air flowing into the cylinder, fuel is mixed into the air by the ______.
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______ consists of the fuel tank, fuel pump, fuel filter, carburetor, fuel lines, intake manifold and air cleaner.
There are ______ pipes between the fuel tank at the rear of the vehicle and the components in the engine compartment.
______ is used to carry fuel from the tank to the fuel filter and then to the fuel pump.
The end of the ______ is operated by an eccentric on the camshaft.
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