Tshuaj pleev ib ce muaj ntau hom thiab txawv zog, tab sis nyob rau hauv cov nqe lus ntawm lawv cov sab nraud cov duab thiab haum rau ntim, muaj xws li cov nram qab no pawg: khoom tshuaj pleev ib ce, khoom granular (hmoov) tshuaj pleev ib ce, kua thiab emulsion tshuaj pleev ib ce, cream tshuaj pleev ib ce, thiab lwm yam.1. Ntim cov kua, emul...
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