单项选择题
A.Finished with Engine B.Stop the Engine C.Stand-by Engine D.Slow-down Engine
After the engine is warned, we should（） the turning gea...
单项选择题After the engine is warned, we should（） the turning gear before starting up the engine.
A.take in B.put in C.take out D.put up
After passing through the turbine the exhaust gas is co...
单项选择题After passing through the turbine the exhaust gas is conducted out into the（）.
A.intercooler B.compressor C.cylinder D.open air
After fitting back in place the gear wheels, dont forge...
单项选择题After fitting back in place the gear wheels, dont forget （） them.
A.to grease B.greasing C.oiling D.lubricating
