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optical channel | |||
optical glass | |||
borosilicate glass; optic crown; optical crown; optic glass; spectralite | |||
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optical glass | |||
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borosilicate glass |
光学 玻 璃: 109 phrases in 9 subjects |
Architecture | 2 |
Automobiles | 1 |
Construction | 1 |
Electronics | 5 |
General | 2 |
Industry | 2 |
Space | 1 |
Technology | 94 |
Telecommunications | 1 |