一些企业和施工单位贪图便宜，擅自购买使用这些土制简易升降机。
Some enterprises and construction units to buy cheap, use these earthen simple elevator.
本文研究城市住宅小区停车方式，开发了一种简易升降式机械停车设备。
The paper analyzes the parking ways and expounds a compact lifting mechanical parking system.
以电动葫芦为动力装置的简易升降机造价低廉，使用方便，但缺少明确的设计安装标准。
Simple elevator with electric hoist as power unit features low cost and ease of operation.
根据规定，使用简易升降机必须向质监部门办理登记手续，经质监部门检验合格后方可使用。
According to the regulations, the use of simple elevator to the quality supervision departments for registration, by the quality supervision department inspection of qualified before use.
根据规定，使用简易升降机必须向质监部门办理登记手续，经质监部门检验合格后方可使用。
According to the regulations, the use of simple elevator to the quality supervision departments for registration, by the quality supervision department inspection of qualified before use.
应用推荐