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漏 泄 管 : 35 phrases in 9 subjects |
| Automobiles | 1 |
| Business | 2 |
| Electronics | 7 |
| Environment | 2 |
| Metallurgy | 1 |
| Oil / petroleum | 7 |
| Space | 2 |
| Technology | 12 |
| Telecommunications | 1 |
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