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| nitrogen function in steel (【技】①固溶强化和时效沉淀强化；②形成和稳定奥氏体组织；③使高铬和高铬镍钢组织致密、强度提高；④渗人含铬、铝或铬钼铝钢的表面，提高其耐磨性和耐蚀性；⑤提高不锈钢的耐蚀性和强度。) | |||
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