Elevator ukana
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Asynchronous Geared Traction Freight Elevator
Hoʻohana ʻo Tianhongyi freight elevator i ke alakaʻi ʻana i ka microcomputer hou i hoʻololi ʻia i ka hoʻololi ʻana i ka wikiwiki o ka uila uila, mai ka hana a hiki i nā kikoʻī, he mea lawe maikaʻi ia no ka lawe ʻana i nā ukana. ʻEhā kaʻa alakaʻi a me ʻeono mau ala alakaʻi.