复验安装定位所用的轴线控制点和测量标高使用的水准点。
Roof released elevation of the line of control and the loading axis auxiliary line.
水准点的设立同样相当重要，它直接影响到地脚螺栓顶部标高的控制。
Considering its direct influence on controlling the top elevation of anchor bolts, the establishment of leveling point is also a very important procedure.
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