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| operator-held control box | |||
| remote control board | |||
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遥控盘 : 11 phrases in 8 subjects |
| Agriculture | 2 |
| Automobiles | 1 |
| Aviation | 1 |
| Electronics | 1 |
| General | 1 |
| Geophysics | 1 |
| Oil / petroleum | 1 |
| Technology | 3 |
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