長途呼叫信號 的英文怎麼說

中文拼音 [zhǎngjiàoxìnháo]
長途呼叫信號 英文
trunk call signal
  • : 長Ⅰ形容詞1 (年紀較大) older; elder; senior 2 (排行最大) eldest; oldest Ⅱ名詞(領導人) chief;...
  • : 名詞(道路) road; route; journey; path; way
  • : 號Ⅰ名1 (名稱) name 2 (別號; 字) assumed name; alternative name3 (商店) business house 4 (...
  • 長途 : long-distance
  1. Draft standard to match to and work with ets 300 001 net4. apparatus with one or more particular functions for connection to public switched telephone networks run by certain public telecommunications operators. apparatus with auto - calling, auto - answering and auto - clearing facilities. specification for auto - calling facilities

    與ets 300001 net4相適應的標準草案"由某些公共接線員操作的公共交換電話網連接用單功能或多種特別功能裝置" .第3部分:有自動自動回答和自動消設備的裝置.第3 . 1節:自動設備規范
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