private branch exchange trunk的中文翻譯，private branch exchange trunk是什么意思，怎么用漢語翻譯private branch exchange trunk，private branch exchange trunk的中文意思，private branch exchange trunk的中文，private branch exchange trunk in Chinese，private branch exchange trunk的中文，private branch exchange trunk怎么讀，發音，例句，用法和解釋由查查在線詞典提供，版權所有違者必究。