Cov yam ntxwv ntawm cov khoom:Nws yog qhov tsim nyog rau kev ua thiab tsim cov vaj huam sib luag sib xyaw hauv lub Hoobkas, kev teeb tsa sab nraum zoov, kev sib dhos vaj huam sib luag ntawm cov tsheb thauj khoom thiab lwm qhov chaw; raws li cov txheej txheem xav tau ntawm cov neeg siv khoom sib txawv, cov khoom siv tuaj yeem xaiv cov haujlwm xws li 0-90 ° tig, 0-360 ° tig, thiab lwm yam; rau ntau qhov chaw sib txawv Composite board, ntau hom khob nqus tuaj yeem xaiv tau.


















