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分馏管
【更多规格、更多选择】：
| 刺形管长 | 管外径 | 全长 | 支管长 | 单价 |
| 200mm | 20mm | 360mm | 180mm | 27 |
| 250mm | 21mm | 410mm | 180mm | 32 |
| 300mm | 21mm | 460mm | 180mm | 39 |
| 400mm | 23mm | 520mm | 180mm | 46 |
| 500mm | 25mm | 660mm | 200mm | 55 |
| 600mm | 27mm | 770mm | 200mm | 62 |
| 800mm | 30mm | 1020mm | 240mm | 75 |
| 1000mm | 33mm | 1020mm | 240mm | 125 |
