A vessel trawling will display a（）.<br>A:red light over a white light<br>B:green light over a white light<br>C:yellow light over a red light<br>D:white light over a green light

A vessel trawling will display a（）.
A:red light over a white light
B:green light over a white light
C:yellow light over a red light
D:white light over a green light

出自：海船船员证

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