A.Assembly
B.Organization
C.Company
D.Administration
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A.a regional
B.the best
C.an international
D.an ideal
A.safety at sea
B.prevention of human injury or loss of life
C.avoidance of damage to the marine environment and to property
D.all of the above
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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
Diesel engine air start system check valves are opened by （）
Which of the diesel engine components listed increase air density and helps to improve engine operating efficiency?（）
The shipboard oil pollution emergency plan will be invalid after （）
The treatment of the fuel oils involves storage, heating, filtering and（）