问题
单项选择题
When relieving the helm，the new helmsman should know the（）.
A.Course per magnetic steering compass
B.Gyro error
C.Variation
D.Maximum rudder angle previously used
答案
参考答案：A
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When relieving the helm，the new helmsman should know the（）.
A.Course per magnetic steering compass
B.Gyro error
C.Variation
D.Maximum rudder angle previously used
参考答案：A