单选题In comparing engines of equal horsepower, higher exhaust gas temperatures occur in a/an（）Aopposed-piston engineBdouble-acting engineCtwo-stroke/cycle engineDfour-stroke/cycle engine
单选题
In comparing engines of equal horsepower, higher exhaust gas temperatures occur in a/an（）
A
opposed-piston engine
B
double-acting engine
C
two-stroke/cycle engine
D
four-stroke/cycle engine
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