武漢300*60mm非標無縫鋼管現(xiàn)貨規(guī)格
260*30mm;410*75mm;410*100mm;170*60mm;185*60mm;300*60mm;345*75mm;720*100mm
20# 168*20mm 219*6mm
20# 273*20 273*70mm
20# 245*55mm 245*70mm 245*80mm
20# 402*70mm 402*75mm 402*80mm 402*90mm
20# 406*80mm 406*90mm
20# 426*70mm 426*75mm 426*80mm
45# 245*60mm
45# 402*70mm 402*75mm 402*80mm 402*85mm 402*90mm
45# 406*80mm 406*90mm 406*75mm
45# 426*70mm 426*75mm 426*80mm
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