1.
disconnect a telephone
切断电话线路，挂断电话
2.
the telephone wire that connects to the handset.
连接电话听筒的电话线。
3.
A wire or system of wires connecting telephone or telegraph systems.
电话线连接电话或电报系统的电线或电线系统
4.
a telephone line for long-distance calls.
远距离通话的电话线。
5.
(of a telephone line)in use
（指电话线）使用着,占线
6.
Sorry ! The line is engaged.
对不起!电话线没空/占线。
7.
The phone line may be in use. Verify that the phone line is available.
电话可能占线。请验证电话线可用。
8.
a telephone that communicates by radio waves rather than along cables.
用无线波多于用电话线传输的电话。
9.
Interference from one telegraph circuit to another telegraph circuit or into telephone circuits.
一条电报线路或电话线路对另一条电报线路或电话线路的干扰。
10.
I am sorry, the line be busy.
对不起，电话占线。
11.
wireless telephone
ph.1. 无线电话
12.
VHF radio telephone transmitter
甚高频无线电话发话器
13.
A trunk line.
干线铁路或电话干线
14.
Operator (of ka pay phone): Operator.
接线员（付费电话）：接线员。
15.
Ask the switchboard operator for an outside line.
叫(电话)接线员接外线。
16.
The operator tell the caller that the line is busy
接线生告诉打电话的人对方电话占线
17.
relating to or by means of radiotelephony.
关于无线电话，或以无线电话为工具。
18.
maritime radio telephone
船舶无线电话船用无线电话