单选题Class C fires are best extinguished by （）.Afoam extinguishersBwater spray equipmentCdry powder extinguishersDsoda-acid extinguishers
单选题
Class C fires are best extinguished by （）.
A
foam extinguishers
B
water spray equipment
C
dry powder extinguishers
D
soda-acid extinguishers
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解析：
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