Ma pellets a PVC, omwe amadziwikanso kuti polyvinyl chloride pellets, ndizinthu zosunthika zomwe zimagwiritsidwa ntchito mosiyanasiyana m'mafakitale osiyanasiyana.Ma pelletswa amatha kugwiritsidwa ntchito m'njira zosiyanasiyana, chifukwa amatha kupangidwa ndikupangidwa kukhala zinthu zosiyanasiyana.Kuyambira extrusion mpaka jekeseni akamaumba,...
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