冬天窗户紧闭的房屋内用煤炉取暖，有 时会发生煤气中毒，其原因是：

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SQL Error: select id,body,options from ***_enewstiku where sourceid='31366' and id < 2515568 and id<>'2515568' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='31366' and id > 2515568 and id<>'2515568' order by id asc limit 5