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If a four-stroke/cycle diesel engine is started by...

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If a four-stroke/cycle diesel engine is started by injecting air into the cylinder, the pistons receiving the charge of starting air must be（）

发布日期：2021-03-22

A.on the power stroke

B.on the exhaust stroke

C.at the end of the power stroke

D.at the start of the intake stroke

标签： four-stroke cycle diesel engine started

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