单项选择题
A.transferring heat across an unobstructed space B.heated gases flowing through ventilation systems C.burning liquids flowing into another space D.transmitting the heat of a fire through the ship's metal
A.conduct a fire drill B.conduct a boat drill C.log the fore and aft draft marks D.test the emergency generator
A.mattress fires B.oil fires C.wood fires D.All of the above