A、first to the bottom of the flaming area，sweeping from side to side，and following the flames upward
B、in a circular motion from the middle of the bulkhead outward
C、to the top of the flaming area，sweeping from side to side，and working toward the bottom
D、in an up-and-down motion from one side of the bulkhead to the other
更多“When using carbon dioxide to fight a fire on a bulkhead，the CO<sub>2</sub> should be applied（）.”相关的问题
A、Carbon dioxide is corrosive when exposed to fire B、Carbon dioxide should be applied slowly to a large engine room fire C、Its total cooling effect is far greater than water D、Its smothering effect is excellent for class B fires
A、is effective if used promptly on an oil fire B、has a greater cooling effect than water C、is lighter than air D、is harmless to cargo and crew
A、carbon dioxide B、dry chemical C、foam (stored-pressure type) D、water (cartridge-operated)
A、A.approved by the Coast Guard B、B.high carbon steel C、C.fixed with a ferrous cover D、D.nonsparking
A、dry chemical or foam B、foam or soda acid C、carbon dioxide or foam D、carbon dioxide or dry chemical
A、foam or soda acid B、dry chemical or foam C、carbon dioxide or dry chemical D、carbon dioxide or foam
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