| |||
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 |