preselecting rotary line switch

英 [preselecting rotary line switch]
美 [preselecting rotary line switch]

中文释义

旋转式预选寻线机,旋转式预选机(自动电话)

单词分析

单词结构：

preselecting rotary line switch

字母数：31

记忆提示

🎯 重点记忆：

  • 单词拼写：preselecting rotary line switch
  • 核心含义：旋转式预选寻线机,旋转式预选机(自动电话)

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更新时间：2025-12-08 22:15:03