Trunk-type diesel engine pistons are most effectively cooled by heat()
A、conducted through the engine block
B、conducted to water cooled cylinder walls
C、conducted through the piston crown
D、loss to escaping exhaust gases
A、conducted through the engine block
B、conducted to water cooled cylinder walls
C、conducted through the piston crown
D、loss to escaping exhaust gases
A、radiated through the engine block B、transferred to water cooled cylinder walls C、conducted through the piston crown D、transferred to escaping exhaust gases
A、cyclone furnace boiler type B、dry back boiler type C、water-tube type D、critical circulation boiler type
A、Switch(config)# switchport trunk encapsulation isl B、Switch(config)# switchport trunk encapsulation ietf C、Switch(config-if)# switchport trunk encapsulation isl D、Switch(config-if)# switchport trunk encapsulation ietf E、Switch(config-if)# switchport trunk encapsulation dot1q