A.shut
B.closing
C.opened
D.closed
您可能感興趣的試卷
你可能感興趣的試題
A.below 300
B.above 1200
C.between 300 to 1200
D.below 1200
A.diesel engine
B.stroke
C.cycle
D.compression ratio
A.inlet valves
B.exhaust valves
C.emergency valves
D.run-return valves
A.their no trouble period
B.their freely trouble period
C.its free trouble life
D.its trouble-free life
A.compressed air
B.electricity
C.hydraulic oil
D.compressing air
最新試題
For a given size engine, the two-stroke/cycle diesel engine will deliver more power than a four-stroke/cycle diesel engine because （）.
Routine monitoring of a diesel engine should include （）.
What causes diesel fuel to be ignited in the cylinder of an operating diesel engine?（）
When fuel oil has seriously contaminated a diesel engine lubricating oil, you should （）.
A thrust bearing is used with a propulsion diesel engine to （）.
When would the available energy of the exhaust gases of a two-stroke/cycle diesel engine be insufficient to drive an exhaust gas turbocharger, resulting in the incorrect amount of air for combustion?（）
If a diesel engine is difficult to start and operates with the engine temperatures lower than normal, you should suspect that the （）.
Which of the two events listed occurs simultaneously in a two-stroke/cycle diesel engine?（）
Combustion knock can occur in the cylinders of a diesel engine under any condition permitting （）.
In using reduction gears to obtain efficient propeller speeds, （）.