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| 批准认可的图纸 | |||
| 批准图纸 | |||
| 认可图 (纸); 批准图 | |||
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approval drawing : 10 phrases in 6 subjects |
| Aviation | 1 |
| Economy | 1 |
| Electric machinery | 2 |
| Mechanics | 1 |
| Shipbuilding | 2 |
| Technology | 3 |
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