电话线窃用报警器申华随着通信事业的兴旺发达，电话机已逐步进人千家万户，成了最普遍的通信工具。但由于以前未很好地发展民用电活，不少地区仍有许多待装户盼望装上电话。有些未装上电话的就采用不正当手段，私自将电话机接入他人的电话线上；更有一些“梁上君子”故意... Telephone line theft alarm Shenhua With the prosperity of the communications industry, the telephone has gradually entered tens of thousands of households, has become the most common communications tools. However, in the past, many homebuyers still hoped to install telephone calls in many areas due to the fact that they had not been able to develop their livelihood well in the past. Some did not put on the phone on the use of improper means to privately access the phone to another phone line; some “gentleman” deliberately ...