施工升降机是用于分层输送各种建筑材料和施工人员的高空作业设备。
Construction elevator is an equipment for high-altitude operations used for layered transporting all kinds of building materials and construction personnel.
施工升降机是用于分层输送各种建筑材料和施工人员的高空作业设备。
Construction elevator is an equipment for high-altitude operations used for layered transporting all kinds of building materials and construction personnel.
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