
TESTING OF METALS; TENSILE TEST ON SHEET OR STRIP LESS THAN 3 MM THICK, NOT USING AN EXTENSOMETER
出版:German Institute for Standardisation (Deutsches Institut für Normung)

专家解读视频
TESTING OF METALS; TENSILE TEST ON SHEET OR STRIP LESS THAN 3 MM THICK, NOT USING AN EXTENSOMETER
出版:German Institute for Standardisation (Deutsches Institut für Normung)
专家解读视频