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| prescribed rules | |||
| service regulation | |||
| 使用规则: 15 phrases in 9 subjects |
| Automobiles | 1 |
| Economy | 1 |
| Librarianship | 2 |
| Project management | 2 |
| Refrigeration | 2 |
| Sports | 3 |
| Technology | 2 |
| Textile industry | 1 |
| United Nations | 1 |
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