A.黑柱体
B.黑球体
C.黑锥形体
D.黑菱形体
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A.黑柱体
B.黑球体
C.黑锥形体
D.黑菱形体
A.桅灯
B.右舷灯
C.尾灯
D.探照灯
A.短声
B.短笛
C.长笛
D.长声
A.雾号
B.立标
C.汽笛
D.声号
A.探照灯
B.闪光灯
C.舷侧照明灯
D.环照灯
A.桅灯
B.右舷灯
C.尾灯
D.探照灯
A.专业船
B.子母船
C.滚装船
D.化学品船
A.班轮
B.不定期船
C.渡轮
D.旅游船
A.驳船
B.油轮
C.渡轮
D.旅游船
A.专业船
B.子母船
C.滚装船
D.化学品船
最新试题
The PSC officers will inspect the emergency power supply ,emergency steering gear, fire lines hydrants, fire hoses, fire hydrants, etc .()
The sailors should show relevant flags by day or pilot lamps at night.()
Turn on the pilot light ,“white” up and “ red” down .()
Bring here a hammer, an oil can and some goggles.()
Heave away! ()
We should give the PSC officers a good impression, or they will carry out a more detailed inspection.()
Pilot boat is approaching your vessel.()
Please tell deckhands to get ready for mooring fore and aft.()
Mind your head .I am dropping the light line now.()
Upon getting the order ,can I lower the anchor until it is clear of hawse pipe ? ()