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During the valve overlap period, the exhaust press...

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单选题

During the valve overlap period, the exhaust pressure of a turbochargers, four-stroke/cycle diesel engine must be less than the intake manifold pressure to ensure （）

发布日期：2021-03-22

A.effective cylinder scavenging and cooling

B.constant pressure from the turbochargers

C.cooler operation of the exhaust system

D.effective constant pressure for turbocharger operation

标签： valve overlap period exhaust pressure

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