X65 grade LSAW pipe X65钢级直缝埋弧焊管
LSAW Pipe Mechanical Expander 冷扩径
LSAW Pipe Straightening Press 调直机
lsaw steel pipe 直缝埋弧焊管
LSAW pipe; Image processing; Pattern recognition; Machine vision; Ellipse.
直缝焊管；图像处理；图形识别；机器视觉；椭圆。
Pre-bending machine is one of the most important facilities in the production of LSAW pipe with larger diameter.
预弯边机是大直径直缝埋弧焊管生产线的关键设备之一。
Then the strain aging behavior of X80 grade LSAW pipe body was conducted a test simulation and the result coincide with the former analysis.
对X80钢级直缝埋弧焊管管体的应变时效行为进行了试验模拟，结果与分析相吻合。
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