The fleece device includes cam control spring back frame structure.
起绒装置具有对经线起绒的凸轮控制回弹架结构；
"That very morning when I was back home trying not to think about what I had done, things began to happen, " Cam told me.
“就在那天上午，当我回到家，尽力不再去想我做的那件事时，事情接二连三地发生了。” 卡姆对我说。
In its simpler form, the mechanism consists of a CAM operated lever to vibrate the back roll, called the whip roll.
比较简单的方式是机构中包括一个由凸轮控制的连杆，用以驱动后梁摆动。
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