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| |||
| canal mouth | |||
| canal orifice (зуба olga don) | |||
| opening of the channel (в породе) | |||
| port opening | |||
| face channel (в породе, забое nikolkor) | |||
| opening of channel (в породе); face of channel (в породе) | |||
| opening | |||
| устье канала: 19 phrases in 8 subjects |
| Dentistry | 3 |
| Drilling | 1 |
| Geology | 2 |
| Medical | 8 |
| Mining | 1 |
| Oceanography & oceanology | 1 |
| Oil and gas technology | 2 |
| Technology | 1 |