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| branch circuit; lighting wire; guiding of light | |||
| light conduction; conduction of light (fibre optics); guidance of light (fibre optics) | |||
| light-piping | |||
| lighting wiring; lighting leads; lighting mains | |||
| light wiring; lighting circuit | |||
| light circuit | |||
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| mains | |||
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Lichtleitung : 1 短语, 1 学科 |
| 光学（物理学分支） | 1 |