Comparison between the sizing result by pa inspection and the actual defect size was also given.
同时，还比较了相控阵检测的定量结果与实际缺陷尺寸。
2
The situ testing results show that the precision of defect location and sizing can be im-proved.
现场试验表明，该仪器可以提高缺陷定位、定量精度。
3
Causes responsible for bore polygonning of steel tube which appears as a defect during sizing and reducing are analyzed and common-used control methods therefor described.