back-up overspeed governor

英 [back-up overspeed governor]
美 [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

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更新时间：2026-02-05 03:54:24