A telephone cable from a local exchange to a central exchange 一种从本地交换局到中心交换局的电话电缆。
2.
A method by which end users not presubscribed are assigned to long distance phone companies in the same ratio as customers who selected a long distance company before an end office conversion to equal access 在本地交换局转为公平进网以前，未预订长途电信公司的终端用户与选择长途电信公司的用户以相同的比率分配给长途电信公司。
