SPC digital toll exc
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SPC digital toll exchange
英
[SPC digital toll exchange]
美
[SPC digital toll exchange]
中文释义
程控数字长途电话交换机
单词分析
单词结构:
SPC digital toll exchange
字母数:25
记忆提示
🎯 重点记忆:
- 单词拼写:SPC digital toll exchange
- 核心含义:程控数字长途电话交换机
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更新时间:2026-09-02 06:39:35