城市集中供热管网，城市集中供热管网,chengshi jizhong gongre guanwang，集中供热,管网,城市,chengshi,gongre,jizhong，[拼音]：chengshi jizhong gongre guanwang[外文]：district heat supply network由城市集中供热热源向热用户输...
城市集中供热，城市集中供热,chengshi jizhong gongre，集中供热,城市,chengshi,jizhong,gongre，[拼音]：chengshi jizhong gongre[外文]：district heat supply从城市集中热源，以蒸汽或热水为介质，经供热管网向全市或其中某一地区的用户供应生活和生产用热，也...