关闭所有防火门并使用干粉灭火器。（）
- A、Close all fire doors and use the dry powder extinguisher.
- B、Close all fire doors and use the foam extinguisher.
- C、Close all fire doors and use the CO2 extinguisher.
- D、Close all fire rooms and use the dry powder extinguisher.
正确答案:A
答案解析:有
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