HB (horizontal beam (hole))

英 [HB (horizontal beam (hole))]
美 [HB (horizontal beam (hole))]

中文释义

平射束[孔道]

单词分析

单词结构：

HB (horizontal beam (hole))

字母数：27

记忆提示

🎯 重点记忆：

  • 单词拼写：HB (horizontal beam (hole))
  • 核心含义：平射束[孔道]

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更新时间：2026-02-26 07:54:32