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程控交换机
chéng​kòng​jiāo​huàn​jī

SPC exchange

Definitions Defs Origin Strokes Stroke Words Sentences Sents
程控交换机 (程控交換機) chéng​kòng​jiāo​huàn​jī
SPC exchange
electronic switching system or stored program control exchange used in telecommunications

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CC-CEDICT