card punch buffer

例句：

1. 1. The printer uses a card punch buffer to handle multiple cards at once.
   打印机使用卡片打孔缓冲器来同时处理多张卡片。
2. 2. The engineer designed the card punch buffer to improve efficiency.
   工程师设计了卡片打孔缓冲器以提高效率。
3. 3.The card punch buffer is essential for maintaining the quality of printed documents.
   卡片打孔缓冲器对于保持打印文件的质量至关重要。