Description: Subsidiary company of multinational group, manufacturing selling indoor fitness equipments.
工作描述：迦跨国集团子公司，经营制造和销售室内运动器材。
The paper gives a description to the electric resistance welding and stretch reducing mill process (ERW/SRM) in steel pipe production and the features of its main equipments.
介绍了用焊接和热减径工艺生产钢管的ERW/ SRM 生产线及其主要的工艺设备特点。
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