程控交換機 chéng kòng jiāo huàn jī

DEFINITIONS

  1. electronic switching system (telecom.)
  2. stored program control exchange (SPC)

CHARACTERS

程 chéng journey, trip; schedule, agenda
控 kòng accuse, charge; control
交 jiāo mix; intersect; exchange, communicate; deliver
換 huàn change, exchange; substitute
機 jī machine; moment, chance