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| 土壤鉴定 | |||
| 土的鉴别 | |||
| 土质鉴定; 土壤鉴别; 土的鉴定 | |||
| soil identification: 11 phrases in 5 subjects |
| Bridge construction | 1 |
| Construction | 1 |
| Desert science | 1 |
| Engineering geology | 2 |
| Technology | 6 |
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