单选题Corrosion and grooving on the blade of an exhaust driven turbocharger is caused by certain components of residual fuel oilsThese components are vanadium,sodium, and（）AcopperBcarbonChydrogenDsulfur
单选题
Corrosion and grooving on the blade of an exhaust driven turbocharger is caused by certain components of residual fuel oilsThese components are vanadium,sodium, and（）
A
copper
B
carbon
C
hydrogen
D
sulfur
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