A turbocharged four-stroke/cycle diesel engine has a larger valve overlap than a naturall

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A turbocharged, four-stroke/cycle diesel engine has a larger valve overlap than a naturally aspirated four-stroke/cycle diesel engine, in order to in crease the ______.

A.temperature of the exhaust gases

B.energy supplied to the turbocharger

C.air pressure to the intake manifold

D.purge of exhausted gases from the cylinders

请帮忙给出正确答案和分析,谢谢!

热搜:a是b的充分条件,b是a的必要条件吗