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| система "даньвэй" | |||
| система предприятий (система закрепления населения за предприятиями) | |||
| 单位制度: 6 phrases in 5 subjects |
| Aviation | 1 |
| General | 1 |
| Mechanic engineering | 1 |
| Oil processing plants | 1 |
| Technology | 2 |
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