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哈尔滨铁路局铁道旅行服务社，处于街道楼群的包围之中．在主握钢筋混凝土现浇结构放线施工过程中，由于现场场地狭小，同时边施工，边用竹片安全围护．若沿用经纬仪仰角测量，在生产中无法应用，所以我们在主框钢筋混凝土现浇结构施工放线中，引用激光测量仪．且在主握钢筋混
Harbin Railway Bureau Railway Travel Service, in the streets surrounded by buildings. In the main grasp of cast-in-place reinforced concrete cast-in-place construction process, due to the site of small space at the same time construction, while using bamboo safety enclosure. If the use of theodolite elevation measurement, can not be applied in the production, so we put in the main frame of reinforced concrete cast-in-place construction, the reference laser measuring instrument. And master the steel reinforcement