导纸辊有槽胶面，以防压坏纸板，增加送纸准确性。
Rubber surface for paper guiding roller can avoid damaging paperboard and increase accuracy of paper sending.
导纸辊有槽胶面，防止破坏纸板强度，增加送纸的准确性。
Rubber surface for paper guiding roller can avoid damaging strength of paperboard and increase accuracy of paper sending.
引纸纸幅从放卷到第一导辊在到第一舒展单元。
Thread material web from unwind to first guide roll and to first spreader unit.
引纸纸幅从放卷到第一导辊在到第一舒展单元。
Thread material web from unwind to first guide roll and to first spreader unit.
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