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交叉管 : 42 phrases in 14 subjects |
| Air defense | 2 |
| Automobiles | 1 |
| Aviation | 4 |
| Business | 1 |
| Economy | 1 |
| Electronics | 7 |
| General | 1 |
| Hydroelectric power stations | 2 |
| Mechanics | 1 |
| Oil / petroleum | 1 |
| Radio | 1 |
| Rail transport | 1 |
| Securities | 1 |
| Technology | 18 |
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