This paper also analyzed the compensatory principles and structure, offers a structure that can adapt the change of packing length and cross-cutting swivel continuously.

对放膜结构、中封牵引器结构、横封切断器结构等关键部件的原理、结构特点等做了较为详细的分析；

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This paper also analyzed the compensatory principles and structure, offers a structure that can adapt the change of packing length and cross-cutting swivel continuously.

对放膜结构、中封牵引器结构、横封切断器结构等关键部件的原理、结构特点等做了较为详细的分析；

youdao