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| bedding stones; stone bedding; stone matting | |||
| 石垫层: 31 phrases in 8 subjects |
| Architecture | 2 |
| Bridge construction | 3 |
| Desert science | 1 |
| Electronics | 1 |
| Engineering geology | 1 |
| General | 2 |
| Rail transport | 1 |
| Technology | 20 |
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