A （）is very much like an ordinary telephone. A: AVHF set B: Bradar C: CGPS D: Dsextant
A （）is very much like an ordinary telephone. A: AVHF set B: Bradar C: CGPS D: Dsextant
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A （）is very much like an ordinary telephone. A: AVHF set B: Bradar C: CGPS D: Dsextant