Piv nrog cov tsoos
Exhibition title: 2018 Mu
Tus qauv tsim los rau
Semi-frozen nqaij thiab ntses
Ultrasonic txiav daim ntawv thov
Ultrasonic zaub mov processin
Ultrasonic extraction ntawm
Lub hauv paus ntsiab lus ntawm ultra
Xov xwm
Xa koj cov lus nug hnub no