施工升降机是起重机械的一种。
这种机器叫施工升降机。
在建筑施工现场，施工升降机操作频繁，且工作环境恶劣。
In construction site, the construction elevator was operated frequently and the working conditions were poor.
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.
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.
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