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ртутный газотрон | |||
ртутный вентиль; ртутный выпрямитель |
mercury rectifier : 43 phrases in 11 subjects |
Automated equipment | 1 |
Electrical engineering | 1 |
Electronics | 5 |
General | 1 |
Makarov | 2 |
Metallurgy | 2 |
Nautical | 2 |
Physics | 3 |
Rail transport | 1 |
Shipbuilding | 1 |
Technology | 24 |