This can be delivered instantly to subscribers via cheap fibre optics, which are at present replacing the expensive copper wire cable.

 
  • 這些節目可通過(guò)廉價(jià)的光纖即時(shí)傳遞給用戶(hù),而現在光纖取代了昂貴的銅線(xiàn)電纜。
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国内精品美女A∨在线播放xuan