A . crankshaft
B . connecting rod
C . cross-head
D . main beating
[单选题]The piston moving up and down keeps the crankshaft ().A . to revolveB . revolvedC . revolvingD . to be revolved
During the 4th stroke, ______ and piston moves up, pushing the burned gases out
14.(单选题)When the piston moves up with both intake and exhaust valves closed, we
[单选题]As the plunger moves up, the ports are closed and the fuel () and delivered to the injector nozzle at very high pressure.A . being compressedB . to be pumped upC . is pressurizedD . are built u
[单选题]The energy for pushing this piston up can be supplied from (), so that the piston can keep moving up and down.A . the same pistonB . the piston nearbyC . the other pistonsD . the generators on board
be down to call in beat up wind up trial and error
[单选题][A] up [B] off [C] down [D] on
break up B . break down C . break in13、Burglarsincreasetheriskofbeingnoticedwhil
The girls jumped up and down and waved their arms with_____.A. abandonB. forbidd
[单选题]设置主接口由Up转Down后延迟30秒切换到备份接口,主接口由Down转Up后60秒钟切换回主接口的配置为()A .backup 3060B .backup delay3060C .backup delay6030D .backup delay enable-delay 30 disable-delay 60