| |||
光电管〔元件,池〕 | |||
光电管元件 | |||
光电池; 光电器 | |||
光敏管 | |||
光电管 | |||
光电元件 | |||
光灯管 |
phototube: 38 phrases in 11 subjects |
Automated equipment | 1 |
Electric machinery | 1 |
Electronics | 9 |
General | 1 |
Information technology | 4 |
Metallurgy | 1 |
Nuclear physics | 1 |
Oil / petroleum | 1 |
Radio | 2 |
Space | 2 |
Technology | 15 |