单选题A full-flow 50μm filter is installed ,() so the injection system components on the main engine are safeguarded.Aas close to the main engine as possibleBas close to the main pump as possibleCjust before the fuel valveDjust before the booster pump
单选题
A full-flow 50μm filter is installed ,() so the injection system components on the main engine are safeguarded.
A
as close to the main engine as possible
B
as close to the main pump as possible
C
just before the fuel valve
D
just before the booster pump
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