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| 药卷直径与炮孔装填部分的炮孔直径之比; 炮孔装药百分比 | |||
| 耦合比; 耦合率 | |||
| coupling ratio: 3 phrases in 2 subjects |
| Explosives and Explosive Ordnance Disposal | 2 |
| Technology | 1 |
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