M y country's SAP paper, which first appeared in 2008, mainly has a 3-layer and 5-layer structure. 2019 is a year for it to move towards a new milestone, incl...

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Diapers are essential baby consumables for parents and mothers today. They are more breathable and hygroscopic than diapers, and are not prone to diaper rash a...

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1. P ulp sap paperis a kind of pulp used as a waterabsorbing medium. After bleaching, extracting organic solvent extracts and other operations, wood pulp and ...

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