needle-point spark gap

英 [needle-point spark gap]
美 [needle-point spark gap]

中文释义

针尖电花隙

单词分析

单词结构：

needle-point spark gap

字母数：22

记忆提示

🎯 重点记忆：

  • 单词拼写：needle-point spark gap
  • 核心含义：针尖电花隙

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更新时间：2026-02-01 21:02:36