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| 开孔: 101 phrase in 22 subjects |
| Antennas and waveguides | 1 |
| Construction | 1 |
| Cooking | 1 |
| Drilling | 1 |
| Electronics | 4 |
| General | 35 |
| Geology | 7 |
| Machine components | 1 |
| Medical | 5 |
| Metallurgy | 2 |
| Military | 2 |
| Mining | 4 |
| Nautical | 3 |
| Oil / petroleum | 1 |
| Oil and gas | 1 |
| Oil processing plants | 3 |
| Roll stock | 1 |
| Shipbuilding | 1 |
| Silicate industry | 3 |
| Submarines | 1 |
| Technology | 22 |
| Wood processing | 1 |
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