用心服務(wù)customer service
乘客在乘自動(dòng)扶梯時(shí)為何嚴(yán)禁將頭部、肢體伸出扶手裝置以外？
passengers on why the escalator against the body stretch out the head, armrest outside device?
專業(yè)化的整梯解決方案服務(wù)運(yùn)營(yíng)商
Professionalism of the overall solution for service providers
