switch closed up

查询英语单词中文释义、音标、发音和例句。

switch closed up
[switch closed up]
[switch closed up]

中文释义

道岔封锁

单词分析

单词结构:

switch closed up

字母数:16

记忆提示

🎯 重点记忆:

  • 单词拼写:switch closed up
  • 核心含义:道岔封锁