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| harvester; pick device; plucker | |||
| 采集装置: 39 phrases in 9 subjects |
| Automobiles | 2 |
| Aviation | 14 |
| Earth sciences | 6 |
| Electronics | 4 |
| Geophysics | 4 |
| Oil / petroleum | 1 |
| Space | 3 |
| Technology | 3 |
| Water resources | 2 |
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