Radar reflectors are required for（）.<br>A:all fishing vessels over 39 feet in length<br>B:sail-propelled fishing vessels<br>C:all fishing vessels of less than 200 GT<br>D:wooden hull fishing vessels with a poor radar echo

Radar reflectors are required for（）.
A:all fishing vessels over 39 feet in length
B:sail-propelled fishing vessels
C:all fishing vessels of less than 200 GT
D:wooden hull fishing vessels with a poor radar echo

出自：海船船员证

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