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本帖最后由 绿莲花 于 2018-8-27 10:00 编辑 【每日一题 第238题】2018年8月26日加热炉点火前必须对炉膛进行蒸汽吹扫。 判断题（） 请在两日内作答。
对。。。。。。。。。。。。。。。。。
加热炉点火前必须对炉膛进行蒸汽吹扫。 判断题（对）
错误，炉膛用蒸汽吹扫，衬里会受潮的
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