
HARDNESS DEPTH OF HEAT-TREATED PARTS; DETERMINATION OF THE EFFECTIVE DEPTH OF CARBURIZED AND HARDENED CASES
出版:German Institute for Standardisation (Deutsches Institut für Normung)

專家解讀視頻
HARDNESS DEPTH OF HEAT-TREATED PARTS; DETERMINATION OF THE EFFECTIVE DEPTH OF CARBURIZED AND HARDENED CASES
出版:German Institute for Standardisation (Deutsches Institut für Normung)
專家解讀視頻