paper drum 卷纸辊 ; 自动记录器转筒
Third process: After operated by the back forward gas baffler, the paper reciprocates to the drum of the third layer to perform flanging of the front side.
第三个过程：纸张经后推气挡板之作用，再往复至第二层滚筒完成前边折边。
This paper briefly expounds the main points of design for drum drive system of well logging wheeled machice.
简要论述了该石油测井车电缆滚筒传动系统的设计要点。
Improved drum self adhesive materials in batch paper label machine to slow business card printing and membership card making and die-cutting.
改善后的卷筒不干胶材料在间歇式输纸的标签机上要慢速制卡和会员卡制作和模切。
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