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coal fires

网络风险评估

coal fires

coal fires

coal fires

风险评估

（15）中国北方煤火监测、分析及风险评估（Coal Fires）

1

During the days of coal fires in people's homes, thousands of sweeps were needed to clean the chimneys .

在那个家家户户用燃烟煤的时代，打扫这么多烟囱需要数以千计的清扫工。

2

Things have improved , in particular since the 1950s when coal fires caused pea -souper fogs that killed thousands .

现在情况已有好转，特别是上世纪 50年代燃煤产生的黄色浓雾造成数千人死亡之后。

4

There were no coal fires in the house and neither of them had ever smoked .

房子里没有煤火，他们两个人都没吸过烟。

5

They will replace coal fires by gas .

他们将用煤气取代煤火。

6

Now most of families in China have replaced coal fires with gas .

现在中国大多数家庭已经用煤气代替了煤火。

7

Underground Coal fires a looming Catastrophe

地下煤着火 —即将来临的灾难

8

Replace coal fires with gas

用煤气取代煤火

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