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- PE燃气管道PE gas pipeline
- PE燃气管材PE pipe material
- 管道pipeline
- 水及燃气管道用球墨铸铁管、管件和附件Ductile iron pipes. Fittings and accessories for water or gas applications
- 燃气fuel gas
- 燃气管道不停输带气连接故障的原因和预防Trouble Shooting of Gas Pipeline On-line Connection
- 管道系统ductwork
- 试论聚乙烯燃气管道与供暖管道的水平安全间距On Safety Clearance between Polyethylene Gas Pipeline and Heating Pipeline
- 压力管道pressure conduit
- 燃气用PE管gas PE pipe
- 基于数据挖掘的地下燃气管道风险指标体系设计Design for underground gas pipe-line risk factors system based on data mining
- PE管道PE pipeline
- PE球阀在庭院燃气管网中的应用Application of PE Globe Valve in Courtyard
- 应用PE管修复油气管道技术Repairing Oil and Gas Pipeline with PE Pipe
- 燃气管道gas pipeline
- PE管道在地源热泵系统中的应用Application of PE pipe in the ground source heat pump system
- 燃气系统:从车间外墙外1米处的接点至工业炉的燃气管道。Gas system: gas pipe line from the joint at 1m from the workshop outside wall to industrial furnaces.
- 埋地燃气管道buried gas pipeline
- 管道燃气pipeline gas
- 管道燃气业gas-piping industry
