When must the Master or person in charge of a ship log the position of load line marks in relation to the surface of the water in the logbook?（）<br>A:Once a day<br>B:At the change of every watch<br>C:Only when in fresh or brackish water<br>D:Prior to getting underway

When must the Master or person in charge of a ship log the position of load line marks in relation to the surface of the water in the logbook?（）
A:Once a day
B:At the change of every watch
C:Only when in fresh or brackish water
D:Prior to getting underway

出自：海船船员证

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