Worn main bearing will cause the compression ratio of an auxiliary diesel engine to（）<br>A:increase<br>B:decrease<br>C:remain the same<br>D:increase on compression decrease on expansion

Worn main bearing will cause the compression ratio of an auxiliary diesel engine to（）
A:increase
B:decrease
C:remain the same
D:increase on compression decrease on expansion

出自：海船船员证

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