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| 紧固: 284 phrases in 19 subjects |
| Automobiles | 5 |
| Aviation | 8 |
| Cables and cable production | 2 |
| Construction | 1 |
| Drilling | 1 |
| Electrical engineering | 1 |
| Electronics | 18 |
| General | 63 |
| Mechanics | 1 |
| Medical | 1 |
| Military | 1 |
| Mining | 2 |
| Missiles | 2 |
| Nautical | 5 |
| Oil processing plants | 7 |
| Solar power | 1 |
| Technology | 162 |
| Thermal engineering | 1 |
| Wood processing | 2 |
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