focusing device

英 [focusing device]
美 [focusing device]

中文释义

[电] 焦点调整装置

单词分析

单词结构：

focusing device

字母数：15

记忆提示

🎯 重点记忆：

  • 单词拼写：focusing device
  • 核心含义：[电] 焦点调整装置

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更新时间：2025-12-09 18:28:31