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3. 張渭川編譯，1998，放電加工的結構與實用技術，全華科技圖書。 4. ASTM E3-11 Standard Guide for Preparation of Metallographic Specimens. 5. ASTM E407-07(2015)e1 Standard Practice for Microetching Metals and Alloys. 6. ASTM B487-85(2013) Standard Test Method for Measurement of Metal and Oxide Coating Thickness by Microscopical Examination of Cross Section. 7. ASTM E384-16 Standard Test Method for Knoop and Vickers Hardness of Materials. 8. ASTM E140-12be1 Standard Hardness Conversion Tables for Metals Relationship Among Brinell Hardness, Vickers Hardness, Rockwell Hardness, Superficial Hardness, Knoop Hardness, Scleroscope Hardness, and Leeb Hardness. ʕശ͏ɓ´ʞϋɘ˜ 197 ಂ 17
