对细水雾、CO2和ABC干粉灭火剂灭k类火进行了试验研究和比较分析。
Experiments were done about extinguishing class K fire by water mist, CO2, ABC powder and the result was compared.
燃烧过程中有发泡膨胀现象，样品离火后迅速炭化自熄，无熔融、滴落现象，发烟量小，是一类较好的膨胀型阻燃剂。
The samples foam and expand during the combustion process, and they carbonize and extinguish right after being deviated from fire, without melting and dropping and with low smoking.
在市况红红火火之时，金融类股曾是占据五分之一市值的最大板块。
At the market's peak, financial stocks were the biggest sector, accounting for a fifth of the market's value.
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