Testerên serhişkiya Rockwell û Vickers hewcedariyên ceribandina serhişkiya materyalên cûda yên metal peyda dikin.
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Dema şandinê: Nov-13-2023
Testerên serhişkiya Rockwell û Vickers hewcedariyên ceribandina serhişkiya materyalên cûda yên metal peyda dikin.