电渣重熔700℃超超临界锅炉材料GH4700氮化物夹杂研究
전사중용700℃초초림계과로재료GH4700담화물협잡연구
Research on Nitride Inclusion in Electric Slag Remelting Process of GH4700 Superalloy for 700℃ Ultra-supercritical Boilers
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