电话机话筒快捷检修法电话机使用日久，会产生送话器（即话筒）灵敏度降低的毛病，这时任你大声说话，对方依然听不清楚，并且还伴随着时断时续的杂音，有些用户还以为是电话局出了问题，忙着拨打电话报修，也有人以为是电话机不好，于是自己拆开电话机座检查，却又找不出... Telephone Microphone quick access method Telephone use over time, will have a microphone (microphone) to reduce the sensitivity of the problem, then you talk loudly, the other is still not clear, and also accompanied by intermittent noise, Some users think it is a problem with the telephone office, busy dialing the telephone repair, some people think that the phone is not good, so I opened the phone base check, but could not find ...