发布时间:2025-01-17 03:11:26
看是什么型号,有无绳电话和有绳电话,无绳电话基本上是在菜单里面调节,有声电话则是看侧边有没有一个调音量的拔钮,或是长按音量键进行调节!
听说以后消防验收不由消防队验收而是由民间消防验收公司来验收有没有这回事
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