城市供熱
冬季為辦公樓、工廠、住宅等建筑物提供采暖
城市熱力站集中供熱
賓館、飯店的供熱、供水、供汽及空調(diào)

City heat supply

The winter as an office building, factory, such as residential buildings to provide heating

City central heating power station

Hotel, hotel heating, water supply, steam supply and air conditioning