单选题（）is placed in the front of the ship under the water,which eases berthing or ma-noeuvering sideways at slow speed.AThe bulbous bowBThe anchorCThe bow thursterDThe propeller
单选题
（）is placed in the front of the ship under the water,which eases berthing or ma-noeuvering sideways at slow speed.
A
The bulbous bow
B
The anchor
C
The bow thurster
D
The propeller
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