blind drains under heating pipeline  管线沿途排水管

Buried Heating Pipeline  直埋供热管道

Central heating network  集中供热网

City heating network system  城市供热管网

complex spatial heating network  复杂空间热网

Directly Buried Heating Pipeline  直埋管道; 直埋供热管道

Directly Buried Heating Pipeline System  直埋热力管网

Directly Buried Hot Water Heating Pipeline  直埋热水供热管道

District heating network  热网

external heating network  供暖外网

Heating network  热网; 供热管网; 蒸汽管网; 供热网

heating network heat exchanger  热网加热器

Heating Network Monitoring  热网监控

Heating network monitoring system  热网监控系统

heating network system  热网系统

heating network  热网

Heating Pipeline  热力管线; 供热管道; 热力管网; 管网; 热力管道

installation of heating pipeline  管道敷设

pipeline heating  管道加热