三辊连轧管机是当今世界上最先进的轧管机。
The 3-roll mandrel pipe mill is regarded as the most advanced seamless steel tube mill in the world.
一种用于三辊连轧管机的主传动接轴，涉及无缝钢管生产设备。
A main transmission connecting shaft for a three-roller continuous tube rolling mill relates to a production device of a seamless steel pipe.
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