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| 白炽灯泡; 电灯泡 | |||
| 光热灯泡; 灯泡 | |||
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light bulb : 20 phrases in 10 subjects |
| Communications | 1 |
| Computer numerical control | 1 |
| Consulting | 1 |
| Electronics | 2 |
| General | 2 |
| Lighting other than cinema | 4 |
| Shipbuilding | 1 |
| Space | 1 |
| Sports | 1 |
| Technology | 6 |
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