公眾電信網路

public telephone network

public / collectively owned / common / international (e.g. high seas, metric system, calendar) / make public / fair / just / Duke, highest of five orders of nobility 五等爵位[wu3 deng3 jue2 wei4] / honorable (gentlemen) / father-in-law / male (animal)

public

crowd; multitude / many; numerous

lightning / electricity / electric (bound form) / to get (or give) an electric shock / phone call or telegram etc / to send via telephone or telegram etc

telecommunications

letter / mail / CL:封[feng1] / to trust / to believe / to profess faith in / truthful / confidence / trust / at will / at random

net / network

telecommunications network

network (computer, telecom) / Internet / Taiwanese term for 網絡|网络[wang3 luo4]

surname Lu

road / CL:條|条[tiao2] / journey / route / line (bus etc) / sort; kind