facing point lock proving

英 [facing point lock proving]
美 [facing point lock proving]

中文释义

对向道岔锁闭检查

单词分析

单词结构：

facing point lock proving

字母数：25

记忆提示

🎯 重点记忆：

  • 单词拼写：facing point lock proving
  • 核心含义：对向道岔锁闭检查

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更新时间：2026-01-30 22:16:25