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| στρώμα σύνδεσης δεδομένων; στρώμα ζεύξης δεδομένων | |||
| layer 2: 4 phrases in 2 subjects |
| Communications | 3 |
| Information technology | 1 |
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