题目内容

下列说法，正确的是()。

A. 采用窒息法灭火时，应用石棉被、浸湿的棉被、帆布等不燃或难燃材料，覆盖燃烧物或封闭孔洞
B. 采用窒息法灭火时，可以采用任何物料覆盖燃烧物或封闭孔洞
C. 只要是密闭容器火灾，都可以采用窒息法扑救
D. 可以用水来扑灭任何液体火灾

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