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提高等级品位; 增强; 加固; 富集; 浓缩 | |||
提高等级 | |||
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上坡 | |||
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升级 |
up-grading: 27 phrases in 14 subjects |
Agriculture | 2 |
Animal husbandry | 3 |
Automobiles | 1 |
Bridge construction | 2 |
Business | 1 |
Chess | 1 |
Construction | 1 |
Consulting | 1 |
Electronics | 1 |
General | 6 |
Genetics | 1 |
Metallurgy | 4 |
Quality control and standards | 1 |
Technology | 2 |