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| 21. | air pollution control authority |
| 空气污染管制监督 |
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| 22. | port pollution control |
| 港口污染防治 |
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| 23. | pollution control industry |
| 控制污染工业 |
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| 24. | air pollution control plan |
| 空气污染控制计划 |
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| 25. | pollution control management |
| 污染控制管理法 |
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| 26. | occupational pollution control planning |
| 行业污染控制规划 |
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| 27. | pollution control measures |
| 污染控制措施 |
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| 28. | air pollution control device |
| 空气污染控制装置 |
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| 29. | Environmental Pollution Control |
| （一）环境污染防治 |
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| 30. | atmospheric pollution control engineering |
| 大气污染防治工程 |
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