问题描述：
问句英文意思,太长.
The wire guide moves forward until reaching the front limit switch and the goes back and positions itself at a measurement preset in the axis parameters(encoder zero )which represents thestarting point for each bobbin.
The wire guide moves forward until reaching the front limit switch and the goes back and positions itself at a measurement preset in the axis parameters(encoder zero )which represents thestarting point for each bobbin.
问题解答：
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