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B.短笛
C.长笛
D.长声
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最新试题
Before coming here, ask the engine room for power and water on deck.()
Ships can be classified according to what they carry.()
All clear!()
Bring here a hammer, an oil can and some goggles.()
The pilot asks the quartermaster to change the steering mode from autopilot to manual.()
We will let go both anchors with three shackles and dredge them. ()
The PSC officers will inspect the emergency power supply ,emergency steering gear, fire lines hydrants, fire hoses, fire hydrants, etc .()
When you are sure that the weight of the anchor is held by the brake ,take the windlass out of gear. ()
Do we need to put lights on at the pilot ladder position?()
A ship is made fast to the quayside by mooring lines. ()