91.140.50 Electricity. Including electric energy meters in buildings, emergency electrical supplies, etc. / Системы электроснабжения. Включая аварийное электроснабжение и т.д.
Ключевые слова:
Electricity supply meters, Meters, Power measurement (electric), Electrical measurement, Reliability, Probability calculations, Failure (mechanical), Failure rate, Maintenance, Life (durability)