下夹送辊中心和卷筒中心的相互位置；
The distance between two centers of bottom pinch roll and mandrel;
本文介绍了一种可满足重卷机组上、下开卷要求的新型开头夹送辊。
A new type of tail-opening pinch roller, which is suited for recoiler unit, is described in this paper.
本文介绍了一种可满足重卷机组上、下开卷要求的新型开头夹送辊。
A new type of tail-opening pinch roller, which is suited for recoiler unit, is described in this paper.
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