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| 公开/私有: | 公开 私有 |
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| 公开/私有: | 公开 私有 |
- design and construction (3)
- machine design (3)
- mechanical engineering (3)
- 手册 (3)
- 教材 (3)
- 机械设计 (3)
- buildings (2)
- mechanical movements (2)
- 几何学 (2)
- 机构学 (2)
- 机械维修 (2)
- 机电一体化 (2)
- 设计 (2)
- 高等学校 (2)
- 齿轮 (2)
- actuators (1)
- air filters (1)
- building (1)
- business enterprises (1)
- computer graphics (1)
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