A.气压计 B.温度计 C.六分仪 D.主罗经
A.wheel B.steering C.helm D.rudder
A. Amidships B. Wheel’s amidships C. Middle ships D. All right
A. “Slow ahead” B. “Dead slow ahead” C. “Astern” D. “Dead slow astern”
A.whole B.while C.wheel D.well
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