语音提示电路实现系统的自动电话语音提示，使系统界面友好；

Sound hint circuit introduces into automatic sound hint, making system's interface much more friendly.

youdao

语音提示电路实现系统的自动电话语音提示，使系统界面友好；

Sound hint circuit introduces into automatic sound hint, making system's interface much more friendly.

youdao