A disadvantage of a two-stroke/cycle diesel engine is（）<br>A:more power strokes per revolution<br>B:the use of scavenge air<br>C:more complicated valve gear<br>D:higher working temperature of the piston and cylinder

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

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