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| retroflector; retroreflector | |||
| retro reflector | |||
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回射器 : 35 phrases in 11 subjects |
| Agriculture | 1 |
| Astronautics | 1 |
| Automobiles | 4 |
| Aviation | 1 |
| Drilling | 1 |
| Electronics | 4 |
| General | 1 |
| Geophysics | 2 |
| Oil / petroleum | 8 |
| Space | 9 |
| Technology | 3 |
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