Apower-drivenvesselunderwayneednotkeepoutofthewayof()
A. a vessel not under command
B. a vessel engaged in fishing
C. a sailing vessel
D. a seaplane
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悬式水轮发电机的推力轴承位于转子的方()
A. 上
B. 下
“丹麦面包”的英文单词是“”()
A. Frozen bread
Braided hread
C. French bread
DaIllsh pastry