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| пористая структура | |||
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孔结构 : 31 phrases in 12 subjects |
| Aviation | 1 |
| Cement | 2 |
| Construction | 3 |
| Electronics | 2 |
| General | 1 |
| Geology | 7 |
| Geophysics | 1 |
| Mining | 2 |
| Missiles | 1 |
| Oil / petroleum | 2 |
| Plastics | 1 |
| Technology | 8 |
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