seal cylinder

• 雕刻滚筒

seal cylinder的用法和样例：

例句

1. The walls of the cylinder were perforated.
   那个滚筒的筒壁上被凿了些孔。
2. A flat plate or rolling cylinder in a printing press that positions the paper and holds it against the inked type.
   印刷机中固定和支持纸张而使有油墨的铅字压印的平板或滚筒。