A、deprival of oxygen
B、a water spray
C、soda-acid
D、foam
更多“Class A fires are best extinguished by quenching or cooling with （）.”相关的问题
A、Foam conducts electricity B、To be most effective，foam should be directed at the base of the fire C、Foam is most effective on burning liquids which are flowing D、Foam can ONLY be used to extinguish class A fires
A、carried by hand to a fire B、carried or rolled to a fire C、recharged in the field D、used on class 'B' fires
A、carried by hand to a fire B、carried or rolled to a fire C、recharged in the field D、used on class "B" fires
A、carried by hand to a fire B、carried or rolled to a fire C、recharged in the field D、used on class B fires
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