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двухленточный | световой клапан
| световой клапан | |
| el. | Lichtschleuse; Lichthahn; Lichtventil |
| photo.sound.rec. | Leuchtventil |
| двухленточный: 8 phrases in 6 subjects |
| Brewery | 1 |
| Food industry | 1 |
| Metalworking | 2 |
| Photographical sound recording | 1 |
| Welding | 1 |
| Wood processing | 2 |