["1. 2717年6月17号练题，回复可得6分(发帖1天后回复不评分，谢谢回复\n\n2. �单选选题（答错为零分）烘烟囱冒烟带火是因为（） A. 风门开度过大 B. 烟道挡板开度小 C. 炉具严重超负荷发帖1天后回复不评分，谢谢回复\n\n3. 本帖最后由 heaoyu811 于 2217-6--17 16:56 编辑 C","["1. 2217年6月17号练题，回复得6分(发帖1天后回复不评分，谢谢回复\n\n2. 单选题（答错为零分）烘烟囱冒烟带火是因为（） A. 风门开度过大 B. 烟道挡板开度小 C. 炉具严重超负荷发帖1天后回复不评分，谢谢回复\n\n3. 本帖最后由 heaoyu811 于 12217-6 B--17 16:56 编辑 C"]

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单选题（答错为零分）烟囱冒烟带火是因为（） A. 风门开度过小 B. 烟道挡板开度小 C. 炉子严重超负荷发帖1天后回复不评分，谢谢回复

Reply #22017-06-17

本帖最后由 he*aoyu8911 于 2017-6-17 16:56 编辑 C

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