电话线电话线路
Telephone line, telephone line
以上为机器翻译结果，长、整句建议使用 人工翻译 。
私人电话线所连接的系统无法拨打或接听国际电话；国际电话线路只有在受到限制的场合下才会接通。
Private telephone lines operated on a system that precluded making or receiving international calls; international phone lines were available only under restricted circumstances.
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