Kev Tsim Khoom Siv Elevator
Kev Tsim Khoom Siv Elevator
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Laser Txiav Tshuab Rau Kev Tsim Khoom Siv Elevator
Hauv kev lag luam of elevator, cov khoom lag luam feem ntau yog cov cabins thiab cov qauv txuas ntawm lub tshuab nqa khoom. Hauv qhov no, txhua qhov project tau tsim los kom haum rau cov kev xav tau tshwj xeeb ntawm cov neeg siv khoom. Cov kev xav tau no suav nrog tab sis tsis txwv rau qhov loj me thiab cov qauv tsim tshwj xeeb. F...Nyeem ntxiv
