单选题GMDSS通过MSI系统:()A播发通报B发射对时信号C发射定向信号D播发海上信息
单选题
GMDSS通过MSI系统:()
A
播发通报
B
发射对时信号
C
发射定向信号
D
播发海上信息
参考解析
解析:
暂无解析
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