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public switched telephone system
public switched telephone system
英
[public switched telephone system]
美
[public switched telephone system]
中文释义
公众交换电话系统
单词分析
单词结构:
public switched telephone system
字母数:32
记忆提示
🎯 重点记忆:
单词拼写:public switched telephone system
核心含义:公众交换电话系统
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更新时间:2026-04-09 08:28:25