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近几年来,纸箱生产企业大量采用先进的瓦楞纸板生产线,并积极改进后道纸箱成型设备,为纸箱产品物理性能指标的提高创造了良好条件。上海绝大
In recent years, carton manufacturers have adopted advanced corrugated board production lines and actively improved the rear carton forming equipment, which has created favorable conditions for the improvement of the physical performance indicators of cartons. Shanghai is big