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| 公开/私有: | 公开 私有 |
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- automatic machining (1)
- business machines (1)
- ceramic materials (1)
- congresses (1)
- design and construction (1)
- development (1)
- machine theory (1)
- machine-tools (1)
- machining (1)
- mechanism (1)
- research (1)
- strength of materials (1)
- 基本知识 (1)
- 生物数学 (1)
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