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| vanne à cylindre | |||
| vanne rotative; vanne roulante | |||
| barrage à cylindre; vanne à rouleau | |||
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вальцовый затвор : 12 phrases in 6 subjects |
| Construction | 1 |
| Hydraulic engineering | 7 |
| Hydrography | 1 |
| Natural resourses and wildlife conservation | 1 |
| Surveying | 1 |
| Technology | 1 |
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