NF M50-001-2*NF EN 15001-2:2009 天然气基础设施 工业和非工业装置用工作压力≥5 bar和工业装置用工作压力≥0.5 bar供气装置管道工程 第2部分:试运转的详细功能要求
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 commissionin