单选题The exhaust system for a turbocharged diesel engine functions to （）Apower the after-coolersBpower the turbochargerCreduce the cylinder scavenge effectDcool the turbocharger
单选题
The exhaust system for a turbocharged diesel engine functions to （）
A
power the after-coolers
B
power the turbocharger
C
reduce the cylinder scavenge effect
D
cool the turbocharger
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