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 2: Detailed functional requirements for commissioning, operation and maintenance
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巴的天然气安装管道.第2部分:调试、操作和维护的详细功能要求