防火讲座 消防
Fire prevention talk Fire prevention
以上为机器翻译结果，长、整句建议使用 人工翻译 。
消防人员举行了857次防火讲座，并辅以展览及示范，听众来自社会各阶层。
Fire officers gave 857 fire prevention talks to people from different sectors of the community. They were supplemented by exhibitions and demonstrations.
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