单选题In common rail engines, the fuel is（） before is injected into the cylinders.Astored in a common fuel lineBpumped by the injection pumpCat low pressureDalready atomized
单选题
In common rail engines, the fuel is（） before is injected into the cylinders.
A
stored in a common fuel line
B
pumped by the injection pump
C
at low pressure
D
already atomized
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