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| 爆炸焊 (接); 爆炸焊 | |||
| 爆炸密封连接 | |||
| 爆炸焊接 | |||
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| 爆炸焊接 | |||
| 爆炸焊 (接) | |||
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explosive welding : 4 phrases in 1 subject |
| Explosives and Explosive Ordnance Disposal | 4 |
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