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| 吸入管; 收集管 | |||
| 摄像管 | |||
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pickup tube : 10 phrases in 7 subjects |
| Agriculture | 1 |
| Automobiles | 2 |
| General | 1 |
| Information technology | 1 |
| Shipbuilding | 1 |
| Technology | 3 |
| Telecommunications | 1 |
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