
Microstructure of cast irons - Part 1: Graphite classification by visual analysis (ISO 945-1:2019)
出版:Comite Europeen de Normalisation

專家解讀視頻
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Microstructure of cast irons - Part 1: Graphite classification by visual analysis (ISO 945-1:2019)
出版:Comite Europeen de Normalisation
專家解讀視頻