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203*32鋼管價(jià)格-620*35鋼管價(jià)格
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 51×3.5-4-5-6-7-8-9-10  | 
 194×6-8-12-16-20-25-30-40-45-50  | 
 500×10-12-14-16-20-25-34-40-50  | 
| 
 56×3.5-4-5-6-7-8-9-10  | 
 203×6-7-10-15-20-25-30  | 
 510×10-12-14-16-20-25-34-40-50  | 
| 
 57×3.5-5-6-7-8-9-10-12  | 
 203×32-36-40-45-50  | 
 530×10-12-14-16-18-20-30-40  | 
| 
 60×3.5-4.5-5-6-7-8-9-12-14  | 
 219×6-8-12-16-18-20-25  | 
 560×10-14-16-20-25-30-40-50-60  | 
| 
 63×3.5-4.5-5-6-7-8-9-10-12-14  | 
 219×30-40-45-50-55  | 
 580×10-14-16-20-30-40-50-70  | 
| 
 68×4-4.5-5-6-7-8-9-10-12-14-16  | 
 219×55-58-60-65-70  | 
 600×10-14-18-25-20-30-50-60  | 
| 
 70×4-4.5-5-6-7-8-9-10-12-15-16  | 
 245×8-10-14-17-20-22  | 
 610×10-14-18-25-20-30-50-60  | 
| 
 73×4-4.5-5-6-7-8-9-10-12-15  | 
 245×25-28-30-34-40  | 
 620×14-20-30-35-45-50-60  | 
						
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