1) movable jaw
活动夹板<折页滚筒上的>
2) parallel-fold jaw cylinder
平行折夹板滚筒
3) half-fold jaw cylinder
八开折页滚筒
4) folding jaws
折页滚筒叼牙
5) collecting cylinder, collecting drum
折页收帖滚筒
6) nip and tuck folder
滚筒式折页装置
补充资料:巴尔干夹板