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| переключатель, возбуждаемый светом | |||
| фотопереключатель (一种无光线时即吸合的开关，用于海上灯塔) | |||
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光致开关 : 5 phrases in 3 subjects |
| Electronics | 1 |
| General | 1 |
| Technology | 3 |
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