spc (single photon counting)
程控交换机
SPC exchange【通信】;stored program control exchange【通信】;
暂无补充释义。
SPC exchange【通信】;stored program control exchange【通信】;
暂无补充释义。
spc (single photon counting)
SPC telephone exchange
SPC digital toll exchange
SPC Exchange Fundamentals
SPC automatic message switching equipment
SPC exchange
SPC telex exchange