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●Lesson 1 Steels
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●Reading Materials (1) The Function of Alloying Elements in AHoy
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●Lesson 2 Heat Treating of Steel
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●Reading Materials (2) Surface Hardening
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●Lesson 3 Summary of Plastics
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●Lesson 4 Structure of Plastics
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●Reading Materials (3) Additives
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●Lesson 5 Classification and Application of Plastics
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●Reading Materials (4) Average Plastics
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●部分目錄