20#/流体输送用无缝管GB8163 | 168X5 | 4000 |
20#/流体输送用无缝管GB8163 | 168X5.5 | 4000 |
20#/流体输送用无缝管GB8163 | 168X6 | 4000 |
20#/流体输送用无缝管GB8163 | 168X8 | 4500 |
20#/流体输送用无缝管GB8163 | 168X10 | 4500 |
20#/流体输送用无缝管GB8163 | 180X8 | 4000 |
20#/流体输送用无缝管GB8163 | 180X10 | 4000 |
20#/流体输送用无缝管GB8163 | 194X8 | 4600 |