Cov hom of elevator tuaj yeem muab faib ua pawg hauv qab no: Cov neeg caij elevator, lub elevator tsim los thauj cov neeg caij tsheb, yuav tsum tau ua tiav kev nyab xeeb thiab kev kho kom zoo nkauj sab hauv; Cargo of elevator, elevator tsim feem ntau rau kev thauj khoom, feem ntau nrog cov neeg; Medi ...
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