- 30
- Sep
Dab tsi yog Flexigate Gate System?
Qhov rooj kaw qhov rooj hloov tau siv rau qhov laj kab laj kab nkag, thaum lub qhov rooj kaw lossis qhib, cov hlua hluav taws xob lossis daim kab xev yuav dov tawm ncaj qha los ntawm lub caij nplooj ntoo hlav sab hauv, hlua lossis kab xev thiab lub caij nplooj ntoo hlav raug kaw hauv rooj plaub tiv thaiv huab cua. yog li nws haum rau ntau yam tsiaj.