题目详情
单选题 In IALA Region B, when entering from sea, a day mark on the port side of the channel would be indicated on a chart by a______
A. red triangle with the letter R
B. White Square with the letters GR
C. green square with the letter G
D. white triangle with the letters RG

学科:航海英语
时间:2026-05-09 01:12:01
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