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| distance-measuring theodolite | |||
| ranging theodolite | |||
| distance measuring theodolite; ranging transit | |||
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测距经纬仪 : 18 phrases in 6 subjects |
| Electronics | 1 |
| Explosives and Explosive Ordnance Disposal | 1 |
| Geophysics | 1 |
| Oil / petroleum | 2 |
| Space | 1 |
| Technology | 12 |
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