A disadvantage of a two－stroke／cycle diesel engine is_____________.A.more power strokes pe

A disadvantage of a two-stroke/cycle diesel engine is_____________.

A.more power strokes per revolution

B.the use of scavenge air

C.more complicated valve gear

D.higher working temperature of the piston and cylinder

请帮忙给出正确答案和分析，谢谢！

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