Door Machine  门机; 开门机

Door machine of elevator  电梯门机

elevator door machine  电梯门机

furnacing door lifting  炉门提升

cane-lifting machine  甘蔗提升机

core turn-over and lifting machine  砂心翻转提升机

Ground Lifting Machine  地面升降装置

Lifting Machine  起重机械; 举升装置; 起重机

machine lifting  机器提升

mechanical-lifting machine  机械采油系统

mine lifting machine  矿井提升机

Seeding lifting machine  起苗机

Track Lifting Machine  起道机

Vertical lifting machine  垂直升降机

conducting door-to-door visits  洗楼

door to door  户到户; 门到门运输; 挨家挨户

door- to-door transport  门到门运输

Door-to-Door  挨户访问的

door-to-door canvassing for sale  逐户兜售