| Hom | Hom | Siv tau |
| Dav Dav | SM.04VS/09 | Rau STEP elevator |
Rooj tsav xwm hu xov tooj hauv tsheb ntawm lub tshuab nqa khoom SM.04VS/09, lub rooj tsav xwm hu xov tooj sab hauv thiab sab nraud uas dai rau ntawm phab ntsa, tsim nyog rau lub tshuab nqa khoom kauj ruam. Peb cov khoom muag muaj ntau hom thiab qauv sib txawv. Yog tias koj tab tom nrhiav lwm yam, qhia rau peb paub.