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| slide mark; slip scar | |||
| slip mark (带钢表面缺陷) | |||
| slip mark | |||
| 滑痕: 25 phrases in 12 subjects |
| Automobiles | 2 |
| Desert science | 3 |
| Engineering geology | 4 |
| Figure skating | 2 |
| General | 1 |
| Metallurgy | 2 |
| Oil / petroleum | 3 |
| Outdoor activities and extreme sports | 1 |
| Skiing | 3 |
| Soil science | 1 |
| Technology | 2 |
| Textile industry | 1 |
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