Steel Bars, 0.95Cr - 0.20Mo (0.38 To 0.43C) (Sae 4140), Normalized
出版:SAE International
专家解读视频
Steel Bars, 0.95Cr - 0.20Mo (0.38 To 0.43C) (Sae 4140), Normalized
出版:SAE International
专家解读视频