Gas Infrastructure - Gas installation pipework with an operating pressure greater than 0,5 bar for industrial installations and greater than 5 bar for industrial and non-industrial installations - Part 1: Detailed functional requirements for design, materials, construction, inspection and testing
天然气基础设施.工业装置用工作压力大于0.5巴 工业和非工业装置用工作压力大于5巴的天然气装置管道工程.第1部分:设计、材料、施工、检验和试验的详细功能要求