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| compass tube | |||
| locating bush; radar tube; registration arm; steady tube | |||
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| locating tube | |||
| 定位管: 57 phrases in 16 subjects |
| Agriculture | 1 |
| Automobiles | 1 |
| Aviation | 3 |
| Drilling | 4 |
| Economy | 1 |
| Electronics | 4 |
| Engineering geology | 2 |
| General | 1 |
| Geophysics | 11 |
| Metallurgy | 2 |
| Mining | 1 |
| Oil / petroleum | 8 |
| Radio | 3 |
| Rail transport | 2 |
| Shipbuilding | 1 |
| Technology | 12 |
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