single pole | spark plug
| spark plug | |
| transp. | candela |
| English thesaurus | |||
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| s.p. | |||
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single pole : 10 phrases in 5 subjects |
| Antennas and waveguides | 1 |
| Earth sciences | 6 |
| Electronics | 1 |
| Information technology | 1 |
| Mechanic engineering | 1 |