xov xwm Senken cov khoom thiab tuam txhab xov xwm tau hloov kho txhua lub lim tiam. Tsev > Xov xwm Xov Xwm Tuam Txhab Kev lag luam Dynamic Senken Laser Teeb Yav dhau los: Zoo siab hnub Labor Tom ntej: Ze-infrared Face Recognition Device