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| open channel | |||
| free surface channel (Yeldar Azanbayev) | |||
| open surface channel | |||
| free channel; free flowing channel | |||
| открытое русло: 17 phrases in 8 subjects |
| Agriculture | 1 |
| Automated equipment | 2 |
| Construction | 3 |
| Electronics | 1 |
| Hydrology | 3 |
| Makarov | 3 |
| Road works | 1 |
| Technology | 3 |