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| |||
| canal mouth | |||
| canal orifice (зуба olga don) | |||
| face channel (в породе, забое nikolkor) | |||
| opening of the channel (в породе) | |||
| port opening | |||
| opening of channel (в породе); face of channel (в породе) | |||
| opening | |||
| устье канала: 19 phrases, 8 sujets |
| Dentisterie | 3 |
| Exploitation minière | 1 |
| Forage | 1 |
| Géologie | 2 |
| Médical | 8 |
| Océanographie et océanologie | 1 |
| Technologie | 1 |
| Technologie pétrolière et gazière | 2 |