亚洲综合在线播放_久久视频免费在线_久久久黄色av_亚洲免费视频一区

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351*8-30mm

450*8-40mm

500*8-40mm

600*8-50mm

720*8-50mm

377*8-30mm

457*8-40mm

508*8-40mm

610*8-50mm

820*8-50mm

400*8-40mm

478*8-40mm

530*8-40mm

630*8-50mm

920*8-50mm

402*8-40mm

480*8-40mm

560*8-40mm

660*8-50mm

1000*8-60mm

426*8-40mm

490*8-40mm

580*8-40mm

711*8-50mm

1020*8-60mm

1060*8-60mm

1220*8-60mm

方 管（Squar Steel tube）

500*500*5-30mm

480*480*5-30mm

450*450*5-30mm

406*406*5-25mm

380*380*6-30mm

400*400*5-25mm

356*356*5-25mm

300*300*5-25mm

350*350*5-25mm

280*280*5-25mm

220*220*5-20mm

200*200*5-20mm

250*250*5-25mm

180*180*5-18mm

160*160*4-30mm

150*150*5-20mm

140*140*4-30mm

135*135*4-30mm

100*100*6mm

40*40*0.8-5mm

50*50*0.58-5mm

矩管（Rectagular Steel tube）

450*550*5-30mm

450*250*5-30mm

300*400*5-30mm

430*350*5-25mm

450*250*5-30mm

500*306*5-25mm

400*600*5-30mm

500*300*5-25mm

350*650*5-30mm

400*200*5-25mm

450*250*5-25mm

500*200*5-25mm

300*200*5-25mm

400*250*5-25mm

400*265*5-25mm

300*150*5-20mm

350*250*5-25mm

350*300*5-25mm

250*150*5-20mm

300*200*5-25mm

350*150*5-20mm

250*100*13mm

300*180*5-20mm

300*200*5-25mm

100*400*5-30mm

20*50*0.8-3mm

80*60*0.8-5mm