elevatorn.<美>电梯;飞机升降舵;斗式皮带输送机
elevator energy consumption电梯能耗
elevator liability insurance电梯责任保险
Elevator traffic dispatching电梯交通配置
elevator car leveling device车厢平准装置
elevator-type pickup loader升运器式捡拾装载机
elevator casing wearing plate升降机罩衬板
elevator model control system电梯模型控制系统