... 听话振铃合用键 combined line & ringing key 键振铃 ringing keyless 无键振铃 keyless ringing ...
基于8个网页-相关网页
短语
无键振铃
keyless ringing
振铃键
ringing key
振铃电键
[通信]
ringing key
;
challenge switch
;
bell key
;
key ringing
通话呼叫振铃键
speaking and ringing key
听唤振铃键
listening and ringing key
通话振铃电键
key speaking and ringing
同线电话振铃电键
party line ringing key
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