管无缝管（焊管）无缝管（焊管）无缝管（焊管）无缝管（焊管）无缝管（焊管）无缝管（焊管）螺旋管螺旋管螺旋管螺旋管螺纹管螺旋管螺旋管螺旋管螺旋管螺旋管螺旋管螺旋管螺旋管螺旋管螺旋管螺旋管螺旋管钢制套筒钢制套筒
14mm5mm12mm16mm20mm25mm30mm6mm8mm8mm10mm其他
25mm以下25mm以上10mm以下10－20mm20－30mm30mm以上20及以下25mm以下25mm以上其它32486080100及以上其它6308mm5308mm204412mm3256mm3256mm1820mm2420mm1000mm82010mm202010mm202012mm202412mm230012mm232412mm6008mm60010mm其它Φ25Φ28
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Φ3215mm18mm12mm10mm及以下2mm及以上568101214161820222528303240810121618202225283032343640455055606314300150350175400150400200450200500150600200700300800300900300
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