The utility model belongs to a paper drum device for growing seedlings, which produces young plants for transportation machines.
本实用新型属于生产供移载机使用青苗的育苗纸筒的设备。
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。
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