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单选题
Fuel is not supplied to the corresponding cylinder due to a failure of （）.
A
the motor
B
the fresh water generator
C
the governor
D
the fuel pump
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单选题Thermostatic steam pressure reducing valves are used in the fuel oil service system to control the（）A
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单选题（） rods are not in proper condition so that too much fuel is supplied to the corresponding cylinder.A
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