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| impianto di terra | |||
| messa a terra del sistema elettrico | |||
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system grounding : 26 phrases in 9 subjects |
| Agriculture | 1 |
| Antennas and waveguides | 1 |
| Communications | 7 |
| Construction | 1 |
| Energy industry | 3 |
| Environment | 1 |
| General | 1 |
| Information technology | 1 |
| Transport | 10 |