relay semiautomatic

查询英语单词中文释义、音标、发音和例句。

relay semiautomatic block
英 [relay semiautomatic block]
美 [relay semiautomatic block]

中文释义

继电半自动闭塞

单词分析

单词结构：

relay semiautomatic block

字母数：25

记忆提示

🎯 重点记忆：

  • 单词拼写：relay semiautomatic block
  • 核心含义：继电半自动闭塞

最近查询：

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更新时间：2026-09-02 01:42:23