| русский | rus-000 |
| магистральная линия связи | |
| English | eng-000 | backbone |
| English | eng-000 | backbone line |
| English | eng-000 | backbone link |
| English | eng-000 | backbone trunk |
| English | eng-000 | communication backbone |
| English | eng-000 | main line |
| English | eng-000 | pipeline |
| English | eng-000 | trunk |
| English | eng-000 | trunk line |