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.
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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