paper for punched cards 中文意思是什麼
paper for punched cards
解釋
打孔卡紙-
Punched paper cards for information processing ; dimensions and location of rectangular holes
信息處理用穿孔紙型卡片.第2部分:矩形孔的尺寸和位置 -
Unpunched and punched paper cards for information processing ; storage and handling
信息處理用不穿孔和穿孔紙卡片.存儲和搬運
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