精密进近航道指示器。（）<br>A:Precision Approach Channel Indicator.<br>B:Precision Approach Path Indicator.<br>C:Accurate Approach Channel Indicator.<br>D:Accurate Approach Path Indicator.

精密进近航道指示器。（）
A:Precision Approach Channel Indicator.
B:Precision Approach Path Indicator.
C:Accurate Approach Channel Indicator.
D:Accurate Approach Path Indicator.

出自：航空情报执照

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