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| Russian | English |
| однополюсная работа | single-current working |
| однополюсное телеграфирование | single-current signalling |
| однополюсное телеграфирование | continuous wave telegraphy |
| однополюсный переключатель на два направления | single pole double throw switch (The term SPDT stands for Single Pole Double Throw Switch which is used to control two dissimilar circuits through a similar single input.) |