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manual telephone exchange
manual telephone exchange
英
[manual telephone exchange]
美
[manual telephone exchange]
中文释义
[电] 人工电话局
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单词结构:
manual telephone exchange
字母数:25
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单词拼写:manual telephone exchange
核心含义:[电] 人工电话局
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更新时间:2026-02-07 11:51:08