题目:
A SECONDARY function of a waste heat boiler is to ().
A.reduce engine exhaust noise
B.reduce engine back pressure
C.increase engine cycle efficiency
D.increase turbocharger efficiency
答案:
参考答案:A
A SECONDARY function of a waste heat boiler is to ().
A.reduce engine exhaust noise
B.reduce engine back pressure
C.increase engine cycle efficiency
D.increase turbocharger efficiency
参考答案:A