直埋供热管道
buried heating pipeline
directly buried heat supply pipe
directly buried beat-supply pipeline
directly buried heating pipeline
Directly Buried Heat-supply Pipeline
直埋供热管道敷设
directly buried heat-supply pipeline installation
钢套钢蒸汽直埋管道
direct embedment steel steam pipe with steel jacket
预制直埋管道系统
buried preinsulated pipe system
预制直埋热水供热管道
Prefabricated Directly Buried Hot-water Heating Pipeline
蒸汽管道直埋
directly buried steam pipeline
蒸汽直埋管道
directly buried steam pipe
steam directly buried pipe
直埋管道
directly buried pipe
directly buried heating pipeline
directly buried pipeline
directly-buried pipe
straight buried pipeline
直埋热水供热管道
Directly Buried Hot Water Heat-supply Pipeline
Directly Buried Hot-water Heat-supply Pipeline
directly buried hot water heating pipeline
大口径供热管道
large diameter heat supply pipeline
城市供热管网
City heating network system
省城城镇体系规划
urban system plan at the province level