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| globe leak detection (推进系统的) | |||
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系统检漏 : 17 phrases in 7 subjects |
| Automobiles | 1 |
| Aviation | 3 |
| Electronics | 1 |
| Metallurgy | 6 |
| Oil / petroleum | 1 |
| Space | 4 |
| Technology | 1 |
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