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51. | metal cleaning |
| 金属清理 |
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52. | cleaning spiral |
| 清理螺旋 |
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53. | clear out the attic |
| 清理顶楼. |
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54. | liquidating plan |
| 清理方案 |
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55. | clearing of estate |
| 清理地产 |
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56. | cleaning of casting |
| 铸件清理 |
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57. | pneumatic chipping |
| 风铲清理 |
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58. | outlay of liquidatio |
| 清理支出 |
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59. | magnetic separation cleaning |
| 磁选法清理 |
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60. | impact cleaning |
| 抛丸清理 |
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