duplex
| bilanciato
| duplex | |
| el. | praca dupleks; dupleks |
| Bilanciato | |
| comp., MS | Bilans |
| bilancio | |
| econ. | budżet |
| environ. | równowaga |
| |||
| praca dupleks; dupleks | |||
| dialog jednoczesny | |||
|
duplex : 12 phrases in 3 subjects |
| Communications | 2 |
| Telegraphy | 9 |
| Telephony | 1 |