... 环式调变器 ring modulator 终话摇铃 ring off 终话指示吊牌 ring off drop; clearing-out drop ...
基于12个网页-相关网页
... 话终电键 clearing key 话终吊牌 clearing out drop; clearing-out drop; ring off drop 话终断路器 disconnector release ...
基于1个网页-相关网页
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