combined stop and emergency valve

[combined stop and emergency valve]
[combined stop and emergency valve]

中文释义

速关闭主汽门

单词分析

单词结构:

combined stop and emergency valve

字母数:33

记忆提示

🎯 重点记忆:

  • 单词拼写:combined stop and emergency valve
  • 核心含义:速关闭主汽门