同义词
1)Post Telegraph and Telephone (PTT),邮政电报和电话[业务]2)Postal,Telegraph and Telephone (PTT),邮政、电报和电话服务3)PTT Postal,Telegraph and Telephone,邮政，电报和电话4)PTT Post,Telegraph,Telephone,邮政、电报、电话5)post Telephone and Telegraph Administration(PTT),邮政电话电报署6)Postal Service, Telephone, Telegraph,邮政、电话、电报
