安装定位模板及螺栓时，由公司测量班投设基础轴线及控制标高，然后以此为准进行安装。
Before installing the positioning forms and bolts, the measurement team shall first set the basic axes lines and control levels, based on which installation is to be proceeded.
城市道路控制点标高设计问题是城市规划中的一个常见任务，但其优化设计却很困难。
It is an important task for urban designers to plan urban road's elevation, but getting an optimal scheme is very difficult.
涵管机基底标高必需按设计严格控制，一切疏松浮土必需清除。
He slipped end-over-end machine basal elevation according to design must strictly controlled, lose material must remove all loose.
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