单选题Each cylinder in a two stroke cycle engine experiences combustion（）.Aonce each crankshaft revolutionBtwice each crankshaft revolutionCevery other crankshaft revolutionDevery fourth stroke
单选题
Each cylinder in a two stroke cycle engine experiences combustion（）.
A
once each crankshaft revolution
B
twice each crankshaft revolution
C
every other crankshaft revolution
D
every fourth stroke
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