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11. | year-end clean-up |
| 岁晚大扫除 |
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12. | tail gas clean-up |
| 尾气净化 |
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13. | Clean up your room! |
| 把房间收拾干净。 |
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14. | percentage of clean-up |
| 清舱量比重 |
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15. | beach clean-up day |
| 清洁沙滩日 |
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16. | radius of clean-up |
| 工作半径;切削半径 |
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17. | clean up the aircraft |
| 收起落架和襟翼 |
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18. | self clean-up action |
| 自清理作用 |
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19. | disaster clean-up operation |
| 灾害清理作业 |
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20. | Disaster clean-up operations |
| 灾难清理作业 |
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