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61. | collection trap |
| 收集阱 |
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62. | collect some article |
| 收集文章 |
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63. | collecting pump |
| 收集泵 |
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64. | containing overflows |
| 收集溢油 |
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65. | collection coefficient |
| 收集系数 |
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66. | collection procedure |
| 收集程序 |
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67. | collection efficiency |
| 收集效率 |
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68. | curio collecting | antiquarianism |
| 古董收集 |
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69. | collection of sewage |
| 收集污水 |
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70. | collecting conveyor |
| 收集输送机 |
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