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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

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🎯 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:2026-02-03 00:26:23

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