Automated Main Distribution Frame

en-US/ˈɔdəˌmeɪdɪd ˈmeɪn ˌdɪstɹəbˈjuʃən ˈfɹeɪm/
en-GB/ˈɔːtəˌmeɪtɪd ˈmeɪn ˌdɪstɹɪˈbjuːʃn ˈfɹeɪm/

カテゴリ：

main distribution frametelephone exchange