A modern hotel uses a great deal of complicated equipment, involving its heating and airconditioning systems, elevators, escalators, electricity, and plumbing, to name only the most important . 现代旅馆使用大量的复杂设备，其中最重要的有供热和空调系统、电梯、自动扶梯、电气和管道等。
Elevator door motor ' s servo system based on dsp and irmck 201的电梯门机伺服系统
Elevator emergency rescue device and its reliability 电梯紧急救援装置及其可靠性
Elevator operator : this is the fifth floor , son 电梯操作员：孩子，这是第五层。
Could i have a room far away from the elevators 给我一间离电梯远些的房间好吗？
Watch the elevators . tell me if anybody ' s coming 去看看电梯.有人来了就给我说
Take the lift or go upstairs to the third floor 坐电梯，或者走上楼，到第三层。
