recessed bolt

英 [recessed bolt]
美 [recessed bolt]

中文释义

凹面枪机

单词分析

单词结构：

recessed bolt

字母数：13

记忆提示

🎯 重点记忆：

  • 单词拼写：recessed bolt
  • 核心含义：凹面枪机

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更新时间：2026-03-20 00:55:48