four element
| electronic speed switch
| four-element | |
| gen. | четырёхэлементный |
| electronic speed switch | |
| tech. | электронный переключатель оборотов |
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| четырёхэлементный | |||
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four element : 12 phrases in 8 subjects |
| Astronomy | 1 |
| Computers | 1 |
| Electronics | 1 |
| Oil / petroleum | 1 |
| Oil and gas | 1 |
| Oil and gas technology | 1 |
| Technology | 4 |
| Telecommunications | 2 |