L-24 听录音选择正确答案[音频]Q：what happened to CSN 6606？ A: radar contact lost B: navigation system failure C: poor visility D: disorientation
L-24 听录音选择正确答案[音频]Q：what happened to CSN 6606？ A: radar contact lost B: navigation system failure C: poor visility D: disorientation
1