A.Mayday-Mayday-Mayday
B.Pan-Pan (3 times)
C.Securite-Securite-Securite
D.SOS-SOS-SOS
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A.MAYDAY
B.PAN
C.SECURITE
D.ATTENTION
A.Mayday
B.Pan-pan
C.Securite
D.Safety
最新試題
There is plenty of（）at this area.
Tripping defects in anchors frequently occur in（）.
To prevent a wooden hull from leaking you caulk it（）.
The term OIL as used in the Oil Pollution Regulations means（）.
To predict the actual depth of water using the Tide Tables，the number obtained from the Tide Tables is（）.
What is required to launch a boat stowed in a crescent davit?（）
What does the term TO NAVIGATE WITH CAUTION mean?（）.
PAN-PAN repeated three times over the radiotelephone indicates which type of message will follow?（）
What is the normal length of anchor cable used to anchor a vessel?（）
To reduce mild fever the MOST useful drug is（）.