pinfeed platen

例句：

1. 1. The printer uses a pinfeed platen to feed paper through the machine.
   打印机使用压印滚筒将纸张送入机器。
2. 2. The engineer designed the new die platen to improve printing quality.
   工程师设计了新的压印滚筒以提高印刷质量。
3. 3.The old press had a worn out die platen that needed replacement.
   旧的印刷机有一个磨损的压印滚筒需要更换。