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| 运转安全度 | |||
| working safety: 22 phrases in 9 subjects |
| Aviation | 3 |
| Drilling | 1 |
| Electronics | 1 |
| General | 1 |
| Metallurgy | 2 |
| Mining | 1 |
| Name of organization | 1 |
| Technology | 9 |
| United Nations | 3 |
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