1. Ukukhethwa kwe-switchgear: i-high-voltage circuit breaker (i-voltage elinganiselwe, yamanje elinganiselwe, yamanje yokuphuka, inkathi yokuvala elinganiselwe, amandla amanje okuzinza, amandla aguqukayo okuqina, isikhathi sokuvula, isikhathi sokuvala) Izinkinga ezithile zomthamo wokuphuka we-voltage ephezulu i-circuit breaker (t...
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