ducol-punched card

[ducol-punched card]
[ducol-punched card]

中文释义

[计] 每列多孔卡片

单词分析

单词结构:

ducol-punched card

字母数:18

记忆提示

🎯 重点记忆:

  • 单词拼写:ducol-punched card
  • 核心含义:[计] 每列多孔卡片