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| 公开/私有: | 公开 私有 |
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| 公开/私有: | 公开 私有 |
- ships (8)
- shipbuilding (4)
- 测量船 (4)
- congresses (3)
- hydrodynamics (3)
- marine engineering (3)
- naval architecture (3)
- ship propulsion (3)
- shipping (3)
- 手册 (3)
- 救生 (3)
- 海难救助 (3)
- 航天测控 (3)
- 船舶遇难 (3)
- 飞行事故 (3)
- automation (2)
- data processing (2)
- dictionaries (2)
- marine engines (2)
- navigation (2)
主题
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