午夜香蕉AV一区二区三区,国产精品久久久久久久久软件,亚洲熟妇无码久久精品泽,国产卡一卡二卡三卡免费,久久精品国产72国产精品

Qingdao Haiwan Garden
    The total construction area is 38,800 square meters. Using the sewage source heat pump system for heating, compared with coal heating, the initial investment for heating and cooling equipment was reduced by 400,000 RMB. The energy station for this project is 520 square meters, which can provide heating for 50,000 square meters.