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漏泄检测 : 20 phrases in 9 subjects |
| Automobiles | 3 |
| Aviation | 1 |
| Earth sciences | 1 |
| Electronics | 2 |
| General | 1 |
| Oil / petroleum | 4 |
| Space | 2 |
| Technology | 4 |
| Telecommunications | 2 |
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