单选题The fuel oil system for a diesel engine can be considered in two parts--the fuel supply and the （） systems.Afuel treatmentBfuel combustionCfuel injectionDfuel separating
单选题
The fuel oil system for a diesel engine can be considered in two parts--the fuel supply and the （） systems.
A
fuel treatment
B
fuel combustion
C
fuel injection
D
fuel separating
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