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| hermetically sealed package | |||
| air-tight packing | |||
| hermetic package | |||
| 气密封装: 12 phrases in 6 subjects |
| Chemistry | 1 |
| Electric machinery | 1 |
| Electronics | 5 |
| Information technology | 1 |
| Metallurgy | 1 |
| Technology | 3 |
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