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| 中等重量的; 中等的; 中型的 | |||
| medium-heavy: 55 phrases in 11 subjects |
| Architecture | 1 |
| Automobiles | 2 |
| Chemistry | 1 |
| Construction | 1 |
| Explosives and Explosive Ordnance Disposal | 1 |
| General | 6 |
| Metallurgy | 4 |
| Mining | 1 |
| Oil processing plants | 1 |
| Technology | 32 |
| Textile industry | 5 |
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