The quality of EGC messages is()affected b
题型:单项选择题
问题:
The quality of EGC messages is()affected by the position of the ship, the time of reception and climatic conditions.
A.sometimes
B.all times
C.never
D.partly
The quality of EGC messages is()affected by the position of the ship, the time of reception and climatic conditions.
A.sometimes
B.all times
C.never
D.partly