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| 分层的 | |||
| by layers: 33 phrases in 9 subjects |
| Agriculture | 3 |
| Electric machinery | 2 |
| Electronics | 4 |
| Hydroelectric power stations | 1 |
| Metallurgy | 8 |
| Plastics | 1 |
| Polymers | 5 |
| Rail transport | 2 |
| Technology | 7 |
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