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| rarefy; refine; hone | |||
| to refine | |||
| to fine scour soles; to buff upper leather | |||
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| courtly | |||
| refined | |||
| beating | |||
| refining | |||
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| refiner | |||
| refining The processing of raw material to remove impurities | |||
| refining | |||
| roll | |||
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refinar : 72 短语, 20 学科 |
| 一般 | 1 |
| 信息技术 | 1 |
| 农业 | 16 |
| 冶金 | 9 |
| 化学 | 10 |
| 医疗的 | 3 |
| 卫生保健 | 1 |
| 商业 | 1 |
| 技术 | 1 |
| 材料科学 | 1 |
| 煤炭 | 2 |
| 环境 | 9 |
| 石油/石油 | 4 |
| 糖生产 | 1 |
| 经济 | 1 |
| 统计数据 | 1 |
| 行业 | 2 |
| 财政 | 3 |
| 运输 | 2 |
| 食品工业 | 3 |