?“连续冷轧螺旋叶片”为专有技术制造。 ?“连续冷轧螺旋叶片”为连续式表面无焊缝,整体刚性强。 ?可制造外径Φ90~Φ600mm,内径Φ25~Φ350mm,板厚3.5、5.0mm各规格“连续冷轧螺旋叶片”
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