rolling seamless tubes 无缝钢管轧制 seamless copper tubes for water and gas 无缝铜水管和铜气管 ..
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rolling mill for seamless tubes 无缝钢管轧机
rolling seamless tubes
轧制无缝管
以上为机器翻译结果,长、整句建议使用 人工翻译 。
The wall thickness tolerance of hot-rolled seamless steel tubes is a major issue which has to be addressed in case of operation of any newly-built or modified hot-rolling tube mill.
如何获得更高的热轧无缝钢管的尺寸精度是新建或改造轧管机组重点考虑的问题。
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