| Inglés | Español | |
|---|---|---|
| Engineering | ||
| Engineering | two-directional focusing | enfoque de doble dirección |
| Engineering | two-hole coupler directional | contador direccional de dos orificios |
| Engineering | two-hole directional coupler | acoplador direccional de dos orificios |
| Aeronautics | ||
| Aeronautics | two directional flow | flujo bidireccional |
