昨天我打热线询问了一些关于如何购买、安装、使用数字传呼机的问题。

Yesterday I asked some questions through the hot line about buying, installing and using a digital B. P.

youdao

昨天我打热线询问了一些关于如何购买、安装、使用数字传呼机的问题。

Yesterday I asked some questions through the hot line about buying, installing and using a digital B. P.

youdao