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| sand percentage | |||
| fine-to-coarse aggregate ratio | |||
| percentage of sand; percent fines; sand-coarse aggregate ratio; sand ratio; sand-total aggregate ratio | |||
| 砂率: 27 phrases in 7 subjects |
| Drilling | 1 |
| Ecology | 4 |
| Electronics | 1 |
| Engineering geology | 1 |
| Oil / petroleum | 3 |
| Technology | 16 |
| Water resources | 1 |
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