A、set it on the centerline of the boat
B、apply the correction for compass error
C、keep metal objects away from it
D、All of the above
A、set it on the centerline of the boat
B、apply the correction for compass error
C、keep metal objects away from it
D、All of the above
时间:2021-12-31 22:57 关键词: 救生用语
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