Cargo Elevator
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Asynchronous Geared Traction Freight Elevator
Tianhongyi katundu elevator utenga otsogola latsopano microcomputer ankalamulira pafupipafupi kutembenuka variable voteji liwiro regulation dongosolo, kuchokera ntchito mpaka mwatsatanetsatane, ndi chonyamulira yabwino yonyamulira katundu katundu. Ma elevator onyamula katundu ali ndi njanji zinayi zolondolera ndi njanji zisanu ndi imodzi.