return circuit
| wind tunnel
| return circuit | |
| gen. | circuito de retorno |
| wind tunnel | |
| nat.sc. transp. industr. | túnel aerodinámico |
| phys.sc. transp. R&D. | túnel de viento |
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| circuito de retorno | |||
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return circuit : 13 phrases in 6 subjects |
| Communications | 5 |
| Earth sciences | 1 |
| General | 3 |
| Power lines | 1 |
| Technology | 1 |
| Telegraphy | 2 |