... 镀锌焊管Galvanizing Steel Weld Pipe 精密钢管Precision Steel Pipe 石油管Petroleum Casing Pipe ...
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Main products: precision steel tube, precision bright tube, precision seamless steel pipe.
主营：精密钢管、精密光亮管、精密无缝钢管。
Precision measuring hot rolling seamless steel pipe on line is a new technology to enhance quality of steel pipe.
热轧无缝钢管在线精度测量是近年来为了提高无缝钢管质量采取的一项新技术。
The result of production shows that the control precision is high and the reliability is good in the steel-plastics composite pipe prodution line.
应用结果表明，研究的钢塑复合管生产线控制精确高，可靠性好。
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