单选题In a diesel engine, excessive cylinder liner wear will cause （） Ⅰ.increased blow-by Ⅱ.wear between the piston ring and grooveAⅠonly is correctBⅡ only is correctCboth Ⅰ and Ⅱ are correctDneither Ⅰ or Ⅱ are correct
单选题
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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