YZ-TS177-201 escalator pedal rev QM177GY1 XAA177HP1 dabara adaba maka Otis lifti

Ihe mgba ọkụ mkpuchi escalator bụ ihe dị mkpa maka nchekwa na sistemụ escalator. A na-etinyekarị ya na mkpuchi nke escalator ma a na-eji ya enyocha ọnọdụ nke mkpuchi ahụ ma na-akpali ihe ndị kwekọrọ na ya mgbe ọ dị mkpa.