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| broken gravel (石); crushed gravel (石) | |||
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碎砾 : 79 phrases in 8 subjects |
| Architecture | 1 |
| Desert science | 3 |
| Earth sciences | 1 |
| Engineering geology | 5 |
| General | 1 |
| Hydroelectric power stations | 1 |
| Oil / petroleum | 25 |
| Technology | 42 |
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