The maintenance equipment of reactor internals is very important for maintenance in service in nuclear power plant. As its size is large and its operation is highly accurate, the equipment is difficult to be manufactured and tested.The problem can be solved through taking advantage of laser tracker.Meanwhile, the application also provides evidence for manufacturing quality.%堆内构件专用维修设备在核电厂在役维修中占有重要地位,其尺寸庞大、运行精度高,在制造检验中存在一定困难。通过三维激光跟踪仪的应用,解决了这些难题,也对其制造质量提供了检验依据。
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