A.central air conditioning system
B.high velocity system
C.low velocity system
D.single duct system
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A.central air condition system
B.high velocity system
C.low velocity system
D.single duct system
A.mechanical energy
B.heat energy
C.potential energy
D.kinetic head
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Which one is NOT the ‘clear grounds’ for a more detailed inspection?（）
Which of the diesel engine components listed increase air density and helps to improve engine operating efficiency?（）
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 （）
The shipboard oil pollution emergency plan will be invalid after （）