hand operated punch card

[hand operated punch card]
[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