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| position instrument by bearings | |||
| 方位定位仪: 9 phrases in 8 subjects |
| Automated equipment | 1 |
| Drilling | 1 |
| Geophysics | 1 |
| Mechanics | 1 |
| Nautical | 1 |
| Oil / petroleum | 1 |
| Space | 1 |
| Technology | 2 |
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