长途半自动接续 semiautomatic toll dialing ;trunk operator dialing 长途去话 outgoing toll ;outward toll 长途去话中继电路 outgoing toll trunk circuit ..
基于6个网页-相关网页
outgoing toll center 长途去话中心
outgoing toll circuit 长途去话电路
toll outgoing trunk 长途出局中继线
toll outgoing trunks 长途出局中继线
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