电话线路 GPRS ; [通信] telephone line ; [通信] telephone circuit ; line
本地电话线路 LTC LocalTelephoneCircuit
通过电话线路连接到 ISP
电话线路修补 telephone line patch
电话线路针式绝缘子 pin insulator for telephone line
电话线路均衡器 [通信] telephone line equalizer
长途电话线路 [通信] toll telephone circuit
电话线路类型 tel line type
电话线路模拟器 Telephone Line Simulator
电话线路正在使用中 off-hook
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.
质量差的电话线还会进一步降低传输速度，有些较陈旧的线路根本不能处理56k。
Poor telephone line quality can hamper transmission speed even further, and some older lines cannot handle 56K at all.
对测量的数据进行调制，通过载波线路或电话线进行远距离传输。
Also it can modulate measured data and perform remote transmission via carrier line and telephone wire.
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