pretensioned sleeper

英 [pretensioned sleeper]
美 [pretensioned sleeper]

中文释义

先拉预力轨枕

单词分析

单词结构：

pretensioned sleeper

字母数：20

记忆提示

🎯 重点记忆：

  • 单词拼写：pretensioned sleeper
  • 核心含义：先拉预力轨枕

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更新时间：2025-12-22 07:44:08