"If the change to light is neither significant nor permanent, the chart can be updated through ___.
A.Notices to Mariners
B.local notices to mariners
C.Navtex
D.none of the above"
正确答案是D
"If the change to light is neither significant nor permanent, the chart can be updated through ___.
A.Notices to Mariners
B.local notices to mariners
C.Navtex
D.none of the above"
正确答案是D