back-up overspeed governor

[back-up overspeed governor]
[back-up overspeed governor]

中文释义

备用超速保安器

单词分析

单词结构:

back-up overspeed governor

字母数:26

记忆提示

🎯 重点记忆:

  • 单词拼写:back-up overspeed governor
  • 核心含义:备用超速保安器