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| |||
| time to first system failure; time to the first system failure; FTSF (first time to system failure); TFSF (time to first system failure); TTSF (time to the first system failure) | |||
| first time to system failure | |||
| наработка до первого отказа системы: 3 phrases in 2 subjects |
| Military | 1 |
| Oil / petroleum | 2 |