DictionaryForumContacts

   English
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subscriber trunk dialling [səb'skraɪbə'trʌŋk'daɪəlɪŋ]
IT 用户干线拨号
telecom. 【英国】用户长途拨号; 【UK】用户长途拨号
 English thesaurus
Subscriber Trunk Dialling [səb'skraɪbə'trʌŋk'daɪəlɪŋ]
telecom., abbr. STD