secondary safety mec

查询英语单词中文释义、音标、发音和例句。

secondary safety mechanism
[secondary safety mechanism]
[secondary safety mechanism]

中文释义

辅助安全机构

单词分析

单词结构:

secondary safety mechanism

字母数:26

记忆提示

🎯 重点记忆:

  • 单词拼写:secondary safety mechanism
  • 核心含义:辅助安全机构