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隔环 : 65 phrases in 14 subjects |
Aviation | 2 |
Chemistry | 2 |
Cinema equipment | 1 |
Drilling | 3 |
Electronics | 2 |
General | 27 |
Mechanic engineering | 1 |
Military | 4 |
Nonferrous industry | 1 |
Nuclear and fusion power | 1 |
Oil processing plants | 1 |
Silicate industry | 1 |
Technology | 18 |
Textile industry | 1 |