
Plain bearings - Terms, definitions, classification and symbols Part 2: Friction and wear (ISO 4378-2:2009)
出版:German Institute for Standardisation (Deutsches Institut für Normung)

专家解读视频
Plain bearings - Terms, definitions, classification and symbols Part 2: Friction and wear (ISO 4378-2:2009)
出版:German Institute for Standardisation (Deutsches Institut für Normung)
专家解读视频