PVC membrane ndeye membrane zvinhu zvine basa rekuchenesa mvura. Inogona kunyatso kubvisa tsvina uye zvinosvibisa mumvura, zvinosanganisira zvakamiswa zvakasimba, macromolecular organic matter uye mamwe maion, kuburikidza nekuongorora kwemuviri uye kuongorora mamorekuru, nekudaro kunatsiridza ...
Verenga zvimwe