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| 棱柱体强度 | |||
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| 棱柱体强度 | |||
| 棱柱体强度; 长直抗压强度 | |||
| prismatic strength: 7 phrases in 3 subjects |
| Bridge construction | 1 |
| Explosives and Explosive Ordnance Disposal | 2 |
| Technology | 4 |
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