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isdn数字电话
meaning in English
isdn digital telephone
Related Words
isdn broadband isdn wisdn
isdn holdings
narrowband isdn
broadband isdn
idsl isdn dsl isdn
isdn窄带
pri isdn
窄带isdn
bri isdn
ics isdn control sublayer isdn
isdn/b-isdn
isdn适配卡
isdn用户模块
isdn窄带
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