
Metallic Materials - Hardness Test Of Brinell Hardness Values For Use In Tests Made On Flat Surfaces
出版:Norwegian Standards (Norges Standardiseringsforbund)

專家解讀視頻
Metallic Materials - Hardness Test Of Brinell Hardness Values For Use In Tests Made On Flat Surfaces
出版:Norwegian Standards (Norges Standardiseringsforbund)
專家解讀視頻