suma: Polyvinyl chloride resin, inowanzo zivikanwa sePVC resin, inhengo yepolymer yakagadzirwa kubva kuvinyl chloride monomer (VCM). Nekuda kwekusiyana-siyana uye kwakasimba zvivakwa, PVC resin inoshandiswa zvakanyanya mumaindasitiri akasiyana, kusanganisira hutano. Mune ino blog, isu tichaongorora kukosha kwe ...
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