...声光提示,抢答器 [gap=432]Key words:AT89S52 single chip microcomputer ,key-press, voice and light alert,answering device ...
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telephone answering device 电话应答设备 ; 电话应答设备接口
automatic answering device 自动应答装置
CTAD-Cordless Telephone Answering Device 无绳自动答录电话机
tad telephone answering device 电话应答设备
automatic c answering device 自动应答装置
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