目前新建的亚临界机组中，主蒸汽管道及再热蒸汽管道热段的材料已用P 91钢代替P 2 2钢。
Steel P91 has been used instead of P22 as the material for main steam and high temperature reheat steam pipelines in new built subcritical pressure units.
对目前在役的高压电站主蒸汽管道和再热汽管道(热段)蠕变现象进行了分析与探讨。
There were some analysis and probe of creep in main Steam pipe and reheat pipe (hot segment) in service utility boiler.
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