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检查 仪表 : 22 phrases in 9 subjects |
| Automated equipment | 1 |
| Automobiles | 3 |
| Aviation | 1 |
| Electronics | 1 |
| General | 2 |
| Metallurgy | 3 |
| Oil / petroleum | 2 |
| Shipbuilding | 2 |
| Technology | 7 |
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