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| 容积膨胀系数 | |||
| 体积膨胀系数 | |||
| 体积膨胀系数 | |||
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| 体积膨胀系数 | |||
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volumetric expansion coefficient : 4 phrases in 4 subjects |
| Engineering geology | 1 |
| Explosives and Explosive Ordnance Disposal | 1 |
| Hydroelectric power stations | 1 |
| Technology | 1 |
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