Txog tam sim no, nws yog ib qho tsim nyog yuav tsum siv cov hoses hauv kev tsim khoom thiab kev ua zaub mov, tshuaj thiab lwm yam lag luam.Piv txwv li, cov khoom noj khoom haus qib PU hose yog siv los thauj cov khoom noj khoom haus kev lag luam khoom noj xws li kua txiv hmab txiv ntoo, mis nyuj, dej haus, npias thiab lwm yam.Yog li ntawd, daim ntawv thov yuav tsum tau ntawm cov zaub mov-qib PU hos ...
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