 |
| Russian | English |
| сигнализатор прохождения поршней | pig signaler (a device fitted to a pipeline which is triggered (i.e. gives a signal) when the pig passes it Decider) |
|
| Russian | English |
| сигнализатор прохождения поршней | pig signaler (a device fitted to a pipeline which is triggered (i.e. gives a signal) when the pig passes it Decider) |