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| 环境的危险 | |||
| 环境危害; 环境公害 | |||
| 危害周围环境 | |||
| environment hazard: 7 phrases in 6 subjects |
| Aviation | 1 |
| Ecology | 1 |
| Electronics | 1 |
| Technology | 2 |
| Welding | 1 |
| Wind Energy | 1 |
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