A、prevent any lubricant from reaching
B、prevent excessive lubrication from reaching the combustion space
C、Provide metal-to-metal contact to seal the cylinder against blow-by
D、assure a positive means of scraping carbon accumulation from the cylinder
更多“To function properly, oil control rings used on a diesel engine piston must distribute sufficient oil to all parts of the cylinder wall and must also（）.”相关的问题
A、To add power to the engine B、To keep the engine firmly attached to its supporting base C、To keep moving engine part in their proper relative positions D、To rotate the crankshaft
A、deliver proper fuel quantity to the injection nozzle B、provide rapid fuel injection cutoff C、control fuel quantity entering the pump body D、control fuel pressure delivered to the combustion chamber
A、a clogged scale trap B、air in the system C、automatic controls not functioning properly D、insufficient cooling water to the condenser
A、having rat guards properly mounted on your moorings B、to have rat guards properly mounted on your moorings C、to have rat guards properly mounting at your moorings D、having rat guards proper mounted on your moorings
A、PCI Express video card B、PCI Express fiber card C、PCI Express sound card D、PCI Express network card
A、Press F8 and boot to Directory Services Restore Mode. B、Press F8 and boot to Last Known Good Configuration. C、Reboot the server again. D、Press F8 and boot to Safe Mode.
A、It is configured and functioning correctly as an OSPF internal router. B、It is configured and functioning correc tly as an ABR attached to stub area 4. C、It is configured and functioning correctly as an ASBR attached to external area 4. D、It is configured and functioning correctly as an ABR attached to totally stubby area 4. E、It is not configured correctly to function as specified.
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