What is the purpose of the intake/exhaust valves in a diesel engine? ()
A、A.They regulate the combustion cycle
B、B.They supply cooling water
C、C.They synchronize the ignition spark
D、D.They supply and regulate the lubricant flow
A、A.They regulate the combustion cycle
B、B.They supply cooling water
C、C.They synchronize the ignition spark
D、D.They supply and regulate the lubricant flow
A、containers are classified as general purpose (dry cargo) container and specific purpose container B、general purpose container (GP) is suitable for the widest varieties of cargo C、specific purpose container is suitable for the specific cargo D、bulk container, reefer container, open-top container are all general purpose containers
A、containers are classified as general purpose (dry cargo) container and specific purpose container B、general purpose container (GP) is suitable for the widest varieties of cargo C、specific purpose container is suitable for the specific cargo D、bulk container, reefer container, open-top container are all general purpose containers