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| 光电传感器 | |||
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| 光电式传感器; 光电敏感器 | |||
| 光电传感器 | |||
| 光电转换器 | |||
| photoelectrical sensor: 11 phrases in 5 subjects |
| Aviation | 1 |
| Chemistry | 1 |
| Information technology | 2 |
| Space | 3 |
| Technology | 4 |
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