Cov khoom siv tshuab tshuab tau muab faib ua ib txheej tshuab tshuab, ntau txheej tshuab tshuab, ntau txheej peb txheej, tsib txheej, xya txheej, kaum ib txheej, ntau txheej, ntau dua cov xim masterbatch yuav tsum.1. Dispersion: cov khoom siv zaj duab xis ua los ntawm cov xim dispersion siab masterbat ...
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