["氧气压力管道에 대한 질문이 있습니다？
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문제 발생: 압력이 0.3MPa인 D377氧气压力管道在工业压力管道等级中属于GC几级？期待大神们发言？能否标注一下标准？谢谢
GC级的压力管道监察规定
압力管道监察规定中没有明确规定运送氧气的压力管道属于GC几级。我觉得应该是GC几级。
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