英语词汇“用户小交换机 private branch exchange (PBX); {讯} telephone private branch exchange;”的读音、翻译、释义、用法及例句-手机网

词汇	用户小交换机 private branch exchange (PBX); {讯} telephone private branch exchange;
释义	见:用户: 用户小交换机 private branch exchange (PBX); {讯} telephone private branch exchange;

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