
Standard Test Method for Metallographically Estimating the Observed Case Depth of Ferrous Powder Metallurgy (P/M) Parts
出版:American Society for Testing and Materials

专家解读视频
Standard Test Method for Metallographically Estimating the Observed Case Depth of Ferrous Powder Metallurgy (P/M) Parts
出版:American Society for Testing and Materials
专家解读视频