 |
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| cathode of X-ray tube | |||
| катод рентгеновской трубки: 10 phrases in 4 subjects |
| Medical | 1 |
| Metallurgy | 4 |
| Nuclear physics | 1 |
| Радиоактивное излучение | 4 |
|
| |||
| cathode of X-ray tube | |||
| катод рентгеновской трубки: 10 phrases in 4 subjects |
| Medical | 1 |
| Metallurgy | 4 |
| Nuclear physics | 1 |
| Радиоактивное излучение | 4 |