正火和淬火温度对30CrMoA钢除砂器大型锻件-40℃冲击韧性的影响
정화화쉬화온도대30CrMoA강제사기대형단건-40℃충격인성적영향
Effect of Normalizing and Quenching Temperature on-40 ℃ Impact Toughness of Heavy Forging of Steel 30CrMoA for Desander
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