plfield replaceable unit的用法和樣例：
例句
- A unit bearing circuit components which can be plugged into a piece of equipment.
一種裝有電路元件的插件板，可將它插入設備中。 - Flat-top unit business card printing and membership card machine to transparently replace business card printing and membership card making flexible plug-ins.
平台式機組制卡和會員卡制息擺設可以紀律的調換制卡和會員卡制息插件，板滯性極不弱。
