 |
| |||
| unidad de datos del servicio N; unidad de datos del servicio de una capa | |||
|
service -data-unit of a layer : 3 phrases in 1 subject |
| Communications | 3 |
The server is undergoing maintenance and the site is working in read-only mode. Please check back later.">Add | The server is undergoing maintenance and the site is working in read-only mode. Please check back later.">Report an error
| Get short URL | Language Selection Tips