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| système de changement | |||
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change system : 24 phrases in 13 subjects |
| Agriculture | 2 |
| Automated equipment | 2 |
| Aviation | 2 |
| Coal | 1 |
| Computer numerical control | 1 |
| Economics | 1 |
| Electronics | 2 |
| Environment | 2 |
| General | 3 |
| Information technology | 2 |
| Law | 1 |
| Name of organization | 4 |
| Transport | 1 |