Lub log kub qhov xwm txheej

Kev mob khaub thuas hnyav thiab kub siab ua rau muaj kev cuam tshuam loj rau cov casters. Polyurethane log tig hloov tau yooj yim thiab ywj pheej ntawm qhov kub qis dua -45 degree, thaum lub log siab kub rotate tsis muaj zog ntawm qhov kub ntawm 275 degree.
Kev saib xyuas tshwj xeeb: Vim tias 3 cov ntsiab lus txiav txim siab lub dav hlau, thaum tus naj npawb ntawm cov casters siv yog 4, lub peev xwm thauj khoom yuav tsum raug xam raws li 3.