1) the position of the default in the steel pipe
钢管缺陷位置
2) steel tube defects
钢管缺陷
1.
From the traditional inspection and measurement method of steel tube, the paper stated the principle of electric magnetic ultrasonic inspection and measurement, the electric magnetic ultrasonic inspection and measurement mode of steel tube defects and the research direction of the electric magnetic ultrasonic inspection and measurement of steel tube defects.
从钢管常用的检测方法出发 ,叙述了电磁超声检测的原理、钢管缺陷的电磁超声检测模型及钢管缺陷的电磁超声检测的研究方向 ,特别提出以铁磁材料为检测对象的磁场的计算尤为重要和迫切。
4) Steel tube defect
钢管缺陷(欠)
补充资料：宝鸡石油钢管厂大口径薄壁钢管的φ508排辊成形机组
宝鸡石油钢管厂大口径薄壁钢管的φ508排辊成形机组
宝鸡石油钢管厂大口径薄壁钢管的中508排辊成形机组
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条