Engage the flywheel with the ().
A、turning gear
B、motor
C、driving gear
D、driven gear
A、turning gear
B、motor
C、driving gear
D、driven gear
A、provide energy to operate the engine between power impulses B、neutralize the primary inertia force of the crankshaft C、reduce the shock of starting loads on the main bearings D、prevent the engine from operating at critical speed
A、A.counterbalance the crank throws on the crankshaft B、B.keep the engine running smoothly between power stroke C、C.provide a belt-driving surface for the operation of auxiliary machinery D、D.prevent the engine from overspeeding
A、stop the combustion air supply B、engage the jacking gear C、secure the lube oil pump D、shut off the fuel at the day tank