prefault
| fault recording system
| prefault | |
| oil | преднеисправность |
| fault recording system | |
| tech. | система аварийной регистрации |
| |||
| преднеисправность | |||
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prefault : 9 phrases in 4 subjects |
| Electrical engineering | 1 |
| Energy industry | 2 |
| Oil / petroleum | 1 |
| Technology | 5 |