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direct-reading compass; magnetic compass | |||
magnet compass | |||
direct reading compass; magnetic compass (仪) | |||
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magnetic compass |
磁罗盘: 50 phrases in 8 subjects |
Aviation | 9 |
Electronics | 2 |
Engineering geology | 1 |
General | 2 |
Nautical | 2 |
Oil / petroleum | 5 |
Space | 8 |
Technology | 21 |