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單項(xiàng)選擇題

After the order “（）” is given, the air system is shut down, the turning gear put in.

A.Finished with Engine
B.Stop the Engine
C.Stand-by Engine
D.Slow-down Engine

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單項(xiàng)選擇題

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

單項(xiàng)選擇題

After passing through the turbine the exhaust gas is conducted out into the（）.

A.intercooler
B.compressor
C.cylinder
D.open air