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| 磁头装置; 磁头组件 | |||
| head assembly: 32 phrases in 12 subjects |
| Automobiles | 1 |
| Aviation | 1 |
| Electronics | 11 |
| Information technology | 1 |
| Mechanics | 1 |
| Multimedia | 1 |
| Nuclear and fusion power | 1 |
| Oil / petroleum | 5 |
| Plastics | 1 |
| Space | 1 |
| Technology | 6 |
| Telecommunications | 2 |
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