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| 钠光气灯 | |||
| 钠气灯 | |||
| 钠弧灯; 钠光灯; 钠灯; 钠蒸气灯 | |||
| sodium lamp: 29 phrases in 11 subjects |
| Agriculture | 2 |
| Architecture | 2 |
| Aviation | 1 |
| Earth sciences | 1 |
| Electronics | 5 |
| Hydroelectric power stations | 1 |
| Nautical | 1 |
| Nuclear and fusion power | 1 |
| Rail transport | 1 |
| Space | 2 |
| Technology | 12 |
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