A、mattress fires
B、oil fires
C、wood fires
D、All of the above
更多“Portable foam type fire extinguishers are most effective on（）.”相关的问题
A、Dry chemical and carbon dioxide B、Foam (stored pressure) and soda-acid C、Carbon dioxide and foam (stored pressure) D、Dry chemical and soda-acid
A、solid materials such as wood or bales of fiber B、inflammable liquids C、electrical equipment D、metallic solids
A、solid materials such as wood or bales of fiber B、flammable liquids C、electrical equipment D、metallic solids
A、solid materials such as wood or bales of fiber B、inflammable liquids C、electrical equipment D、metallic solids
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