Check anchor position by radar.
用雷达检查锚位。
Check anchor position by bearing.
用方位检查锚位。
Check anchor position every 30minutes.
每30分钟检查一下锚位。
Please check your anchor position and ensure it's dragging anchor or not.
请检查锚位，确保有否拖着锚。
Please check your anchor position and ensure it's dragging anchor or not.
请检查锚位，确保有否拖着锚。
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