| |||
| permanent circuit; non-switched connection; point-to-point circuit; permanently connected circuit; dedicated circuit; fixed connection | |||
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circuit permanent : 17 phrases in 6 subjects |
| Communications | 6 |
| Electric motors | 1 |
| Electronics | 1 |
| Information technology | 1 |
| Mechanic engineering | 3 |
| Telecommunications | 5 |