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| glass jacket | |||
| sheath of glass; glass coating (low-refractive-index sheath around the fibres); glass jacket (low-refractive-index sheath around the fibres) | |||
| Glasmantel: 1 фраза в 1 тематиці |
| Оптика розділ фізики | 1 |
|
| |||
| glass jacket | |||
| sheath of glass; glass coating (low-refractive-index sheath around the fibres); glass jacket (low-refractive-index sheath around the fibres) | |||
| Glasmantel: 1 фраза в 1 тематиці |
| Оптика розділ фізики | 1 |