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;
上面的地图用了不必要的比例，但它显示了相互位置。
The map above is not necessarily to scale, but it does show relative positions.
起点和终点的位置和它们的相互关系是否会使得结果不同？
Does where the start and finish are in relation to each other make a difference?
将双拳置于后腰位置并相互接触。
Bring your fists together to touch behind your back at about waist-level.
相互之间具有排他性：每一个论点是否只用一次并用在最适当的位置？
Mutually exclusive (ME): Is each point used only once and in the best place?
相互之间具有排他性：每一个论点是否只用一次并用在最适当的位置？
Mutually exclusive (ME): Is each point used only once and in the best place?
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