| 型号 | 内径 | 外径 | 厚度 |
|---|---|---|---|
| 31311J2/QDF | 55 | 120 | 63 |
| 31311J2/QCL7C | 55 | 120 | 31.5 |
| 31311DJR | 55 | 120 | 29 |
| 4T-31311D | 55 | 120 | 29 |
| 31311A | 55 | 120 | 29 |
| HR31311DJ | 55 | 120 | 29 |
| 31311 | 55 | 120 | 29 |
| 31311A.A80.120.N11CA | 55 | 120 | 58 |
| 31311A T7FB055 | 55 | 120 | 29 |
| 31311J2/QDF | 55 | 120 | 63 |
| 31311J2/QCL7C | 55 | 120 | 31.5 |
| 31311DJR | 55 | 120 | 29 |
| 4T-31311D | 55 | 120 | 29 |
| 31311A | 55 | 120 | 29 |
| HR31311DJ | 55 | 120 | 29 |
| 31311 | 55 | 120 | 29 |
