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调节 范围 : 29 phrases in 9 subjects |
| Automated equipment | 2 |
| Aviation | 1 |
| Drilling | 1 |
| Education | 2 |
| Electronics | 6 |
| General | 7 |
| Jet engines | 1 |
| Metallurgy | 1 |
| Technology | 8 |
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