Hom | Hom | Khoom siv | Siv tau |
SJEC | LR-003A/LR-004A/LR-005A | Yas | Hitachi of Elevator |
Lub luag haujlwm ntawm tus escalator kauj ruam ncej yog coj cov neeg caij tsheb kom sawv thiab taug kev kom raug thiab nqa thaum lub sijhawm ua haujlwm ntawm lub escalator; Tsis tas li ntawd, cov ciam teb daj tuaj yeem muab qee yam kev tiv thaiv kev ua haujlwm ua rau cov neeg caij tsheb ruaj khov thiab nyab xeeb dua thaum taug kev ntawm tus escalator.