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81. | method of ion collection |
| 离子收集法 |
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82. | dust collecting system |
| 粉尘收集系统 |
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83. | egg collection vehicle |
| 蛋品收集车 |
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84. | collection of aerosols |
| 气溶胶的收集 |
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85. | gas-tight collection bag |
| 不透气收集袋 |
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86. | factory-data collection |
| 工业数据收集 |
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87. | gathering table |
| 收集辊道 |
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88. | collection authority |
| 废物收集当局 |
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89. | labor cost collecting sheet |
| 人工成本收集单 |
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90. | collection of garbage |
| 无用单元收集 |
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