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| encapsulation technique | |||
| packing technique | |||
| hermetic sealing technique | |||
| sealing engineering | |||
| 密封 技术: 6 phrases in 5 subjects |
| Electronics | 2 |
| Explosives and Explosive Ordnance Disposal | 1 |
| Mining | 1 |
| Space | 1 |
| Technology | 1 |
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