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In a diesel engine, excessive cylinder liner wear will cause （） Ⅰ.increased blow-by Ⅱ.wear between the piston ring and groove
A:Ⅰonly is correct
B:Ⅱ only is correct
C:both Ⅰ and Ⅱ are correct
D:neither Ⅰ or Ⅱ are correct

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出自：海船船员证

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