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| 往复运动; 摆动 | |||
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| 岩层移动 | |||
| 岩石的运动 | |||
| 岩石移动 | |||
| rocking movement: 8 phrases in 3 subjects |
| Explosives and Explosive Ordnance Disposal | 4 |
| Technology | 3 |
| United Nations | 1 |
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