A.single
B.Ⅱ
C.Ⅲ
D.multiple
您可能感興趣的試卷
你可能感興趣的試題
A.inlet pipe
B.outlet pipe
C.inter cooler
D.after cooler
A.steering gear
B.windlass
C.deck crane
D.warping drum
A.steering gear
B.windlass
C.deck crane
D.warping drum
A.jib stopper
B.winch barrel
C.slewing rim
D.windlass
A.cable stopper
B.winch barrel
C.slewing rim
D.warping drum
最新試題
The flash point of a residual fuel oil should be used to determine the highest temperature to which oil may be heated（）
Engine parameters shall be corresponded to NOx Technical Files. This is required by （）
As soon as a diesel engine has started, which of the listed engine operating parameters should be checked FIRST?（）
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.
A purge recovery system is used in a centrifugal air conditioning or refrigeration system to （）
Cold weather starting of a diesel engine may be made easier by（）
（）are used to digest the sewage to produce innocuous sludge in a biological sewage treatment plant.
Under MARPOL Code the ship to which it applies has to carry （）
Thermostatic steam pressure reducing valves are used in the fuel oil service system to control the（）