Laser txiav tshuab yog ib tug txheej txheem high-tech technology, uas sib tov lub kho qhov muag, cov ntaub ntawv science thiab engineering, machinery manufacturing, numerical control technology thiab electronics technology thiab lwm yam kev qhuab qhia, tam sim no, nws yog qhov kub qhov chaw muaj kev txhawj xeeb ntawm science & techn ...