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| activated carbon; activated charcoal; active carbon; active charcoal | |||
| activated carbon A powdered, granular or pelleted form of amorphous carbon characterized by a very large surface area per unit volume because of an enormous number of fine pores | |||
| carbune activ: 3 短语, 2 学科 |
| 环境 | 2 |
| 运输 | 1 |