单选题The exhaust system for a turbocharged two-stroke/cycle diesel engine functions to（）Adischarge exhaust gases and smokeBfurnish energy to the turbochargerCreduce engine room noiseDall of the above
单选题
The exhaust system for a turbocharged two-stroke/cycle diesel engine functions to（）
A
discharge exhaust gases and smoke
B
furnish energy to the turbocharger
C
reduce engine room noise
D
all of the above
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