各种专用钢管要按规定保证条件。| 70*4.5-5-6-7-8-9-10-12-15-16 |
| 73*4-4.5-5-6-7-8-9-10-12-15 |
| 78*4-4.5-5-6-7-8-9-10-12-14 |
| 83*4.5-6-10-12-14-16-18-20 |
| 89*4.5-6-10-12-14-16-18-20 |
| 95*4.5-8-10-12-14-16-20 |
| 102*4.5-5-7-8-10-12-14-16-18-30 |
| 108*4.5-5-7-8-10-12-14-18-20-22 |
| 114*4.5-5-6-7-10-12-16-18-20 |
| 121*4.5-5-6-7-8-10-12-14-16-18-20 |
| 127*4.5-5-6-7-8-10-12-14-16-18-20 |
| 133*4-5-6-8-12-15-18-20-25-30 |
| 140*6-8-10-12-14-16-18-20-22-25 |
| 148**6-8-10-12-14-16-18-20-30 |
| 150*6-8-10-12-14-17-20-25-30 |
| 153*4.5-6-8-10-12-14-20-25-30 |
| 168*8-10-12-14-20-25-30 |
| 180*8-12-16-25-30-45 |
| 184*6-8-12-16-20-25-30-40-48 |
| 200*6-7-10-15-20-26-30-45 |
| 219*6-8-12-16-18-20-25-30-45-50-60 |
| 232*10-20-30 |
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