同义词
1)postal telegraph,邮政电报2)PTT Postal,Telegraph and Telephone,邮政，电报和电话3)PTT Post,Telegraph,Telephone,邮政、电报、电话4)post Telephone and Telegraph Administration(PTT),邮政电话电报署5)Postal Service, Telephone, Telegraph,邮政、电话、电报6)Mail, Telephone and Telegram,邮政、电话与电报
