Side lay: the guide on a sheet-fed press which positions the sheet sideways.
横标针：单张纸印刷机上，使纸张作横向位置对齐的导规。
Sheet size: The dimension of the size of paper required on a sheet-fed press in order to produce the desited trim size of a publication.
印刷纸度：跟据某一出版物的完成尺寸和单张纸印刷机的大小而采用的纸张大小… 收藏。
Printing press operators set up and operate sheet and web-fed presses to print text, illustrations and designs on a wide variety of materials such as paper, plastic, glass, leather and metal.
印刷机操作员设置和操作薄板和卷筒纸印刷机，在各种各样的材料上，如纸，塑料，玻璃，皮革和金属，进行打印文字，图片和设计。
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