primary safety valve for inner container

[primary safety valve for inner container]
[primary safety valve for inner container]

中文释义

一级安全阀

单词分析

单词结构:

primary safety valve for inner container

字母数:40

记忆提示

🎯 重点记忆:

  • 单词拼写:primary safety valve for inner container
  • 核心含义:一级安全阀