针对国产600MW亚临界机组锅炉末级过热器采用焊接性能较差的SA 213-T91钢材。
SA213-T91 steel with inferior welding performance is used on end superheater of domestic-made 600MW subcritical boil- er.
针对国产600MW亚临界机组锅炉末级过热器采用焊接性能较差的SA 213-T91钢材。
SA213-T91 steel with inferior welding performance is used on end superheater of domestic-made 600MW subcritical boil- er.
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