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private-branch exchange
private-branch exchange
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[private-branch exchange]
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[private-branch exchange]
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单词分析
单词结构:
private-branch exchange
字母数:23
记忆提示
🎯 重点记忆:
单词拼写:private-branch exchange
核心含义:专用小交换机
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更新时间:2026-02-03 03:00:08