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据上海市南市区卫生防疫站最近提供的一份调查报告进一步证实:使用煤球炉所造成的室内环境污染显著高于使用煤气炉。 该站选择了家庭燃煤、燃煤气二个居民点作为对象,分别在六月及十二月进行二期调查,调查结果见下表。
According to a survey report recently provided by the Nanning District Health and Anti-Epidemic Station in Shanghai, it is further confirmed that the indoor environmental pollution caused by the use of briquettes furnace is significantly higher than that of the use of gas stoves. The station chose two residential sites of coal-fired and coal-fired gas as the targets. The second phase of the survey was conducted in June and December respectively. The survey results are shown in the following table.