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| 双层绝缘的 | |||
| 双绝缘; 双绝缘的 | |||
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double -insulated : 11 phrases in 7 subjects |
| Aviation | 1 |
| Business | 1 |
| Electronics | 4 |
| General | 1 |
| Geophysics | 1 |
| Mining | 1 |
| Technology | 2 |
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