change-over make before break contact

[change-over make before break contact]
[change-over make before break contact]

中文释义

先通后断转换触 点

单词分析

单词结构:

change-over make before break contact

字母数:37

记忆提示

🎯 重点记忆:

  • 单词拼写:change-over make before break contact
  • 核心含义:先通后断转换触 点