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| 漏失带; 高渗透层 | |||
| 漏失层段 | |||
| 漏失层; 渗漏地层 | |||
| 漏水带; 漏失泥浆带; 渗水带 | |||
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thief zone : 5 phrases in 3 subjects |
| Engineering geology | 1 |
| Mining | 2 |
| Technology | 2 |
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