self-acting trailer coupling

英 [self-acting trailer coupling]
美 [self-acting trailer coupling]

中文释义

自动拖车联结器;自动拖挂装置

单词分析

单词结构：

self-acting trailer coupling

字母数：28

记忆提示

🎯 重点记忆：

  • 单词拼写：self-acting trailer coupling
  • 核心含义：自动拖车联结器;自动拖挂装置

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更新时间：2026-01-30 21:59:59