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Composite pob zeb hlais
Cov xim pob zeb sib xyaw ua ke yog ua los ntawm cov khoom siv polymer, cov khoom siv tsis zoo, cov tshuaj ntxiv thiab lwm yam khoom siv raw los ntawm cov txheej txheem tshwj xeeb.Nws yog tsuas yog siv rau cov xim imitation granite pob zeb pleev xim rau sab hauv thiab sab nrauv phab ntsa ntawm cov tsev kawm qib siab los hloov cov granite qhuav dai rau sab nrauv phab ntsa ntawm cov tsev kawm qib siab.
