shepherd test 中文意思是什麼
shepherd test
解釋
高碳工具鋼淬火試驗-
Iron and steel. determination using fracture test pieces of the austenitic grain growth tendency and of the hardness depth in tool steels shepherd test
鋼鐵.用斷裂試驗樣件對奧氏體晶粒增長傾向和對工具鋼硬化深度的測定
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