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GMDSS 英语阅读单选题 1. IMO has decided that all ships over 300TGt must be fitted with a NAVTEX receiver ______ . A. by 01 Feb 1992 B. by 01 Aug 1993 C. between 01 Feb 1992 and 01 Feb 1999 D. before 01 Feb 1992 B
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