题目内容
In addition to meeting the requirement of sea area A1 and A2, every ship engaged on voyage in sea area A4 shall be provided with ______.
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Which radio equipment is not necessary for the ships sailing in the sea area A1?
If a ship is in distress in area A3, ship-to-shore distress alerting shall be conducted by means of ______.
Having studied the INMARSAT document, GMDSS document, SOLAS Convention and other international navigation documents, we all know that the ChapterIV of SOLAS Convention is mainly about ______.
Chapter IV of SOLAS applies to all ships to which the present regulations apply and to cargo ships of ______ and upwards.
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