Synthetic resin yog ib hom kev sib xyaw ua ke ntawm cov khoom siv hluav taws xob polymer, uas yog ib hom ntawm cov resin uas muaj lossis ntau dua cov yam ntxwv ntawm cov khoom siv ntuj tsim.
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Nrhiav
May 10, 2022
Synthetic resin yog ib hom kev sib xyaw ua ke ntawm cov khoom siv hluav taws xob polymer, uas yog ib hom ntawm cov resin uas muaj lossis ntau dua cov yam ntxwv ntawm cov khoom siv ntuj tsim.
Xa kev nug