Balita
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Magbasa pa
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Magbasa pa
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Magbasa pa
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Magbasa pa
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Magbasa pa
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Magbasa pa
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Magbasa pa
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Magbasa pa
- The spiral steel pipe is made by rolling low-carbon structural steel or low-alloy structural steel strip into pipe , according to a certain angle of spiral line (called forming angle), and then welding the pipe seams. It can be used for produce large diameter steel pipe with narrow strip steel. T ... ...Magbasa pa
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Magbasa pa
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Magbasa pa
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Magbasa pa