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| trunk circuit | |||
| field-bus link (ssn) | |||
| trunk | |||
| toll circuit; toll line; message circuit; toll-circuit | |||
| backbone network | |||
| backbone line | |||
| backbone (участок сети связи с напряжённым трафиком) | |||
| communications trunk; point-to-point circuit; trunk circuit line; trunk communications line | |||
| backbone link; backbone trunk; communication backbone; main line; pipeline; trunk line (в телефонии); backbone | |||
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| trunk circuit | |||
| магистральная линия связи: 43 phrases in 13 subjects |