高温高压段
High temperature and high pressure section
以上为机器翻译结果，长、整句建议使用 人工翻译 。
高温高压临氢管道运行一段时间发现多道焊缝裂纹，较为罕见。
The hydrogenation pipe would weld crack after running for some time as high temperature and high pressure, and the phenomenon was rare.
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