Melt-blown nonwovens yog tshwj xeeb uas tsim los rau ISO 4 thiab siab dua chav huv, thiab tsim nyog rau ib puag ncig nruj xws li chav huv, kev tsim khoom siv kho mob lossis kev lag luam biotechnology.Kev ntxhib los mos zoo nkauj muaj qhov nqus tau zoo dua, thiab tsim nyog rau kev lag luam uas xav tau cov haujlwm tseem ceeb xws li chaw muag tshuaj, kev siv tshuab siab, biotechnology thiab khoom siv kho mob.