無(wú)錫無(wú)縫鋼管\377壁厚50mm大口徑厚壁管材質(zhì)35crmo每米價(jià)格
24×2.5-3-4-5-6
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127×4.5-5-6-7-8-10-12-14-16-20
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377×30-37-40-45-50
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25×2.5-3-4-5-6
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133×4.5-6-8-12-14-16-18-20-25-30
|
402×10-15-20━25-30-35
|
28×3-3.5-4-5-6
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140×5-6-7-8-9-10-12━14-16-20-22
|
406×10-20━25-28-35-40
|
32×3.5-4-5-6-8
|
146×4.5-6-8-12-14-16-18-20-25-30
|
426×10-12-14-16-20-25-30-35-40
|
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