本文主要研究的内容主要包括以下几个方面：（1）以我校现有的300 四辊轧机为实验基础，设计了一套七段式气动检测辊。
The thesis mostly include four sections as follow:(1)It designs a seven-piece sample of pneumatic shape measuring roll experimenting upon 300 four-roll machine.
陈式网纹辊的调换工夫仅为不一到四分钟，使开机绸缪工夫大幅…
A new type of roller replaced only three or four minutes , so that -on time to prepare .
本实用新型提供了四辊式散包机，其可以快速的将秸秆包散包，效率高。
The utility model provides a four-roller type bale loosing machine, which can rapidly loose straw bales with high efficiency.
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