 |
| |||
| 照明功率; 光能; 亮度; 发光能力 | |||
| lighting power: 15 phrases in 6 subjects |
| Aviation | 3 |
| Communications | 1 |
| Hydroelectric power stations | 1 |
| Metallurgy | 1 |
| Nautical | 1 |
| Technology | 8 |
|
| |||
| 照明功率; 光能; 亮度; 发光能力 | |||
| lighting power: 15 phrases in 6 subjects |
| Aviation | 3 |
| Communications | 1 |
| Hydroelectric power stations | 1 |
| Metallurgy | 1 |
| Nautical | 1 |
| Technology | 8 |