Corrugated board inhengo inonamira yeakawanda-layer, iyo inoumbwa nedhizaini ye corrugated core paper sandwich (inowanzozivikanwa sepit zhang, corrugated paper, corrugated paper core, corrugated base bepa) uye dhizaini yekadhibhodhi (inozivikanwawo se. "bhokisi rebhokisi ...
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