
Plain bearings - Testing of the tribological behaviour of bearing materials Part 1: Testing of bearing metals (ISO 7148-1:2012)
出版:German Institute for Standardisation (Deutsches Institut für Normung)

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Plain bearings - Testing of the tribological behaviour of bearing materials Part 1: Testing of bearing metals (ISO 7148-1:2012)
出版:German Institute for Standardisation (Deutsches Institut für Normung)
专家解读视频