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| 危险控制 | |||
| 有害控制 | |||
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hazard control : 16 phrases in 13 subjects |
| Agriculture | 1 |
| Animal husbandry | 1 |
| Automobiles | 1 |
| Aviation | 1 |
| Earth sciences | 1 |
| Electronics | 1 |
| Environment | 4 |
| Food industry | 1 |
| General | 1 |
| Nautical | 1 |
| Refrigeration | 1 |
| Technology | 1 |
| United Nations | 1 |
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