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介绍了智能湾管回弹伸长测量仪配合育管机使用，在城测量管子回弹与伸长规律的方法．重点讨论了自动采样及数据误差的分析与处理方法．
This article introduces the method of measuring the rebound and elongation of tubes in the city by using the intelligent bayonet rebounding elongation measuring instrument in conjunction with the tube rearing machine. Focus on the automatic sampling and data error analysis and processing methods.