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| crack width, mm | thickness of the filter cake, cm | weight of the filter cake, g | forward pressure-bearing capacity, MPa | anti-return liquid capacity, MPa |
|---|---|---|---|---|
| 1 | 1.0 | 376 | 16.0 | 5.5 |
| 2 | 1.5 | 459 | 17.0 | 4.5 |
| 3 | 2.0 | 583 | 11.0 | 4.0 |
