你可能感興趣的試題

How should you warm up a diesel engine that has not been run for some time? （）

A.Run it at minimum speed for a period of time
B.Run it at half speed for a period of time
C.Bring it to top speed immediately
D.Inject ether into the air intake

單項(xiàng)選擇題

How does combustion air enter the cylinder of a two-cycle diesel engine?（）

A.Cylinder head valves
B.Ports
C.Turbo chargers
D.Bleeder valves