Khoom nta:Nws yog qhov tsim nyog rau kev ua thiab kev tsim cov vaj huam sib luag hauv lub Hoobkas, kev teeb tsa sab nraum zoov, kev sib txuas vaj huam sib luag ntawm cov tsheb thauj khoom thiab lwm cov teb; Raws li cov txheej txheem ntawm cov neeg siv khoom sib txawv, cov khoom siv tuaj yeem xaiv cov haujlwm xws li 0-90 ° flip, 0-360 ° kev sib hloov, thiab lwm yam; rau cov chaw sib txawv Composite board, ntau hom suction khob tuaj yeem xaiv.