Line feed: Advancement of paper in an image setter or printer by one line. This amount is adjusted automatically according to the typesetting instruction. Also calle Film advance. Paper feed.

• 每行进给量:图文影排机或印字机的纸张向前移动一行的数量。这个数量依照排字指示自动调整。亦称菲林前向量，相纸进给量。