hand operated punch card

英 [hand operated punch card]
美 [hand operated punch card]

中文释义

人工操作打孔卡

单词分析

单词结构：

hand operated punch card

字母数：24

记忆提示

🎯 重点记忆：

  • 单词拼写：hand operated punch card
  • 核心含义：人工操作打孔卡

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更新时间：2025-12-09 05:41:35