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| закладочный трубопровод | |||
| закладочная труба | |||
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充 填 管 : 16 phrases in 7 subjects |
| Antennas and waveguides | 1 |
| Drilling | 3 |
| Electronics | 1 |
| General | 6 |
| Oil / petroleum | 1 |
| Oil processing plants | 2 |
| Technology | 2 |
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