platen

n. 压盘, 压纸卷筒, 机床工作台
【计】 压纸卷轴

plat.en

n.（名词）
The roller in a typewriter that serves as the backing for the paper against which the type bars strike.
滚筒：打字机中当作纸的衬垫物由打字棒击纸的滚筒
Computer Science The roller in a computer printer against which the print head strikes.
【计算机科学】 压纸卷筒：计算机打印机中被打印头撞击的滚筒
A flat plate or rolling cylinder in a printing press that positions the paper and holds it against the inked type.
压印盘：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

来源：
Middle English plateine [paten]
中古英语 plateine [板]
from Old French platine [metal plate]
源自 古法语 platine [金属盘]
from plat [flat] * see plate
源自 plat [平坦的] *参见 plate