北方的冬季非常寒冷,家家户户都需要 取暖。随着大型集中供暖的日渐普及,煤气中毒的发生已日渐减少,许多人因此而放松了警惕。其实,它离我们的生活并不遥远,即使在生活条件良好的大都市里,煤气中毒的隐患仍一直存在,厨房内的煤气管道未关好或出现故障而煤气泄漏,或用燃气热水器 The northern winter is very cold, every household needs heating. With the increasing popularity of large-scale central heating, the incidence of gas poisoning has diminished and many people have been wary of it. In fact, it is not far away from our lives, even in the metropolis living in good conditions, the hidden dangers of gas poisoning has always existed, the kitchen gas pipeline is not closed or fails and gas leaks, or gas water heater