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| 滑动摩擦系数 (of friction) | |||
| 滑动系数 | |||
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sliding coefficient : 10 phrases in 6 subjects |
| Automobiles | 2 |
| Bridge construction | 1 |
| Earth sciences | 1 |
| Engineering geology | 1 |
| Hydroelectric power stations | 2 |
| Technology | 3 |
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