城市供熱
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
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
