Worn diesel engine intake valve guides can result in （）<br>A:increased engine breathing efficiency<br>B:excessive valve lash<br>C:excessive lube oil consumption<br>D:lower than normal fuel consumption

Worn diesel engine intake valve guides can result in （）
A:increased engine breathing efficiency
B:excessive valve lash
C:excessive lube oil consumption
D:lower than normal fuel consumption

出自：海船船员证

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