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一、背景和目的北京某住宅区是新建住宅小区，位于四环路外，该地区已有一燃煤集中供热锅炉房，但容量不能满足新建住宅的需要。根据有关规定，新建锅炉房一律不允许烧煤，只能燃气。当前有多种采暖方式，主要特点如下：表１ 采暖方式及特点采暖方式采暖设备特 点集中供热?
I. Background and purpose A residential area in Beijing is a new residential area located outside the Fourth Ring Road. There is already a coal-fired central heating boiler room in this area, but the capacity cannot meet the needs of new residential buildings. According to the relevant regulations, new boiler rooms must not be allowed to burn coal, but only gas. Currently, there are many types of heating methods. The main features are as follows: Table 1 Heating methods and characteristics Heating methods Heating equipment specializes in centralized heating?