直缝埋弧焊管（LSAW）与高频直缝焊管（HFW）同属于直缝焊管，但高频焊管可以做中、小型焊管（400mm），而且有中频热处理工序，当在直径、壁厚与钢级相同时，高频焊管更具有优...
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高频直缝焊接钢管 high-frequency straight seam welded pipe ; frequency straight seam welded pipe ; ERW
直缝高频焊管 high-frenquency longitudinal-seam steel pipe ; HFW
无缝钢管直缝高频焊管 high-frenquency longitudining-seam steel pipe
高频直缝电阻焊钢管 ERW
公司现拥有六条高频直缝焊管机组，三条热镀锌生产线。
The company now has six high-frequency straight seam welded pipe units, three hot-dip galvanizing line.
套 是高频直缝焊管生产线和冷弯型钢生产线中的储料装置。
The accumulator is a strip storing unit in the longitudinally welded pipe and formed section production.
它是现代高频直缝焊管生产线和冷弯型钢生产线的主要设备之一。
It's one of the main machines in the modern pipe mill line and formed section line.
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