远程管线 meaning in Chinese

cross country pipeline

Plans for public utilities , water resources and long - distance lines ; sewer network drawings of public sewerage systems
水源和远程管线的市政公用设施设计图.公共污水系统用
Plans for public utilities , water resources management and for long - distance pipelines ; maps and plans for water engineering , flood and coastal protection
水资源管理和远程管线的市政共公设施平面图.水利工程