automatic long distance service

同义词释义

1)automatic long distance service,直接长途拨号2)direct distance dialing,直接长途拨号3)direct distance dial network,直接长途拨号网4)direct distance dialing (DDD),直接长途拨号电话5)direct,直接6)directly,直接7)directness,直接8)at first hand,直接9)immediateness,直接10)flat,直接