The frequency 518KHZ will be used to trans
题型:单项选择题
问题:
The frequency 518KHZ will be used to transmit()and()wanings in NAVTEX.
A.navigational / typhoon
B.traffic / meteorological
C.marine / hurricane
D.navigational / meteorological
The frequency 518KHZ will be used to transmit()and()wanings in NAVTEX.
A.navigational / typhoon
B.traffic / meteorological
C.marine / hurricane
D.navigational / meteorological