
Specification For High Strength, Low Alloy Carbon, Manganese, Columbium, Vanadium Steel Of Structural Quality With Improved Notch Toughness
出版:American Society for Testing and Materials

专家解读视频
Specification For High Strength, Low Alloy Carbon, Manganese, Columbium, Vanadium Steel Of Structural Quality With Improved Notch Toughness
出版:American Society for Testing and Materials
专家解读视频