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| pollution risk | |||
| pollution risk Probability of harm to human health, property or the environment posed by the introduction of an undesirable substance into the ecosystem (对人身体健康造成危害的可能性，由于在生态系统中引入不宜的物质而引起的风险。) | |||
| risk of contamination | |||
| 污染风险: 12 phrases in 3 subjects |
| Refrigeration | 1 |
| Technology | 9 |
| Water resources | 2 |
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