operating valve foot pedal

英 [operating valve foot pedal]
美 [operating valve foot pedal]

中文释义

[铁路] 踏脚板

单词分析

单词结构：

operating valve foot pedal

字母数：26

记忆提示

🎯 重点记忆：

  • 单词拼写：operating valve foot pedal
  • 核心含义：[铁路] 踏脚板

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更新时间：2026-04-01 07:25:32