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automation direction finder | |||
★ automatic direction finder | |||
automatic directional finder | |||
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automatic direction finder |
自动测 向 仪 : 15 phrases in 7 subjects |
Air defense | 2 |
Aviation | 1 |
Earth sciences | 1 |
Electronics | 2 |
Mechanics | 1 |
Navigation | 1 |
Technology | 7 |