Tsis siv neeg nqa nqa
Traditional elevators muaj chav tshuab, thiab tus tswv tsev thiab tswj vaj huam sib luag tau muab tso rau hauv chav tshuab. Nrog rau kev nce qib ntawm thev naus laus zis, miniaturization ntawm cov tshuab traction thiab cov khoom siv hluav taws xob, thiab qhov nce ntawm cov ntsia hlau elevator, cov neeg tsis tshua nyiam thiab tsis tshua nyiam nyob hauv lub tshuab elevator.
Cim npe nrov: automatic neeg nrog caij nqa, Tuam Tshoj, manufacturers, hoobkas, pheej yig, luv nqi, yuav luv nqi, ua nyob rau hauv Suav teb
