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.
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