单项选择题
They should take care of（锚链）（）to ensure that they are in normal condition.
A. anchor chains
B. anchor ball
C. anchor gear
D. anchor ring
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相关考题
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单项选择题
They should take care of（锚）（）to ensure that they are in normal condition.
A. anchors
B. anchor ball
C. anchor gear
D. anchor ring -
单项选择题
Take down （）(G旗).
A.Flag“H”
B.Flag“G”
C.Flag“Q”
D.Flag -
单项选择题
A （）(救生圈) should be located on the gangway.
A.life-jacket
B.life-raft
C.life-buoy
D.life-boat
