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| magnetic field meter (用于测量磁场的磁通量密度) | |||
| magnetic field meter | |||
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磁场 计 : 12 phrases in 7 subjects |
| Aviation | 1 |
| Business | 2 |
| Chemistry | 2 |
| Electric machinery | 2 |
| Nautical | 2 |
| Oil / petroleum | 1 |
| Technology | 2 |
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