

| 型号 | 总长L (mm) | 管直径d (mm) |
|---|---|---|
| LDR-YDL76x1000 | 1255 | 76 |
| LDR-YDL76x2000 | 2255 | 76 |
| LDR-YDL89x1000 | 1255 | 89 |
| LDR-YDL89x2000 | 2255 | 89 |
| LDR-YDL114x1000 | 1255 | 114 |
| LDR-YDL114x2000 | 2255 | 114 |


| 型号 | 总长L (mm) | 管直径d (mm) |
|---|---|---|
| LDR-YDL76x1000 | 1255 | 76 |
| LDR-YDL76x2000 | 2255 | 76 |
| LDR-YDL89x1000 | 1255 | 89 |
| LDR-YDL89x2000 | 2255 | 89 |
| LDR-YDL114x1000 | 1255 | 114 |
| LDR-YDL114x2000 | 2255 | 114 |