spiral weld pipe mill 螺旋焊管机
spiral weld-pipe mill 螺旋焊管机
SAW spiral weld pipe 螺旋埋弧焊管
conical spiral weld pipe 锥形螺旋焊管
Spiral weld pipe production line 螺旋焊管生产线
spiral-weld steel pipe pile 螺旋电焊钢管桩
weld spiral pipe 螺旋焊管
During the Spiral welded pipe production, the main reasons of manual bend caused in strip steel are unusual aline of strip steel in strip steel connection weld process.
在螺旋焊管生产过程中，钢带产生人为硬弯的主要原因是对头焊工序中钢带不能对齐所致。
In the production of spiral weld pipe, the quality of the online automatic submerged arc welding is of significant importance to the final steel pipe product.
在螺旋焊管的生产过程中，在线埋弧自动焊的焊接质量对最终钢管产品的质量具有十分重要意义。
The surface quality of the spiral weld pipe is as so critical a quality assurance element as its interior quality.
螺旋焊管的表面质量与其内在质量同样是焊管质量的重要保证因素。
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