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compaction; contraction; upgrade | |||
enrichment | |||
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separation; treatment | |||
| |||
concentration |
浓集 : 55 phrases in 12 subjects |
Animal husbandry | 1 |
Chemistry | 2 |
Earth sciences | 3 |
Electronics | 9 |
Energy industry | 1 |
General | 2 |
Oil / petroleum | 5 |
Pharmacology | 4 |
Space | 2 |
Technology | 22 |
Textile industry | 1 |
Wind Energy | 3 |