()is not a type of IALA maritime buoyage s
题型:单项选择题
问题:
()is not a type of IALA maritime buoyage system.
A.special marks
B.isolated danger marks
C.cardinal marks
D.fore and aft marks
()is not a type of IALA maritime buoyage system.
A.special marks
B.isolated danger marks
C.cardinal marks
D.fore and aft marks