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| 真空扩散; 真空浸提 | |||
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vacuum diffusion : 9 phrases in 8 subjects |
| Aviation | 1 |
| Electronics | 1 |
| General | 1 |
| Metallurgy | 1 |
| Oil / petroleum | 1 |
| Oil processing plants | 1 |
| Space | 1 |
| Technology | 2 |
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