A.the former
B.the latter
C.not for sure
D.same each other
您可能感興趣的試卷
你可能感興趣的試題
A.0°F
B.18°F
C.32°F
D.50°F
A.open loop control
B.feedback
C.combining control
D.integral process
A.0~05Mpa
B.0~95Mpa
C.1~05Mpa
D.0~5Mpa
A.a mooring winch
B.a hoisting winch
C.a slewing winch
D.a luffing winch
A.a combustible element, fuel
B.energy (resources for ignition) to start the combustion
C.oxygen to support the combustion
D.both A and C are correct
最新試題
Diesel engine air start system check valves are opened by （）
When does auxiliary burner of incinerator put into operation? （）Ⅰ. start incinerator when it is coldⅡ. the sludge for dealing with is littleⅢ. the sludge for dealing with is largeⅣ. the water and impurity in sludge are too muchⅤ. the temperature in incinerator is lowⅥ. dealing with little solid rubbish
If two A.C.generators are to be operated in parallel, the load is distributed evenly by（）
The cetane rating of diesel fuel is an indication of the （）
Cold weather starting of a diesel engine may be made easier by（）
（） is not installed on the main switchboar.
The condensers located in various stages of a flash evaporator are cooled by（）
Which of the diesel engine components listed increase air density and helps to improve engine operating efficiency?（）
During the diesel engine running, the water level of F.W expansion tank should normally kept in the （） level of glass tube.
If separating effect is not good, which measure should be taken （）