A、is 14 feet above sea level
B、has a fixed green light
C、is shown from a white square tower
D、is synchronized with a radio beaco
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A、is 14 feet above sea level
B、has a fixed green light
C、is shown from a white square tower
D、is synchronized with a radio beaco
时间：2022-01-05 16:35 关键词： 海洋法基本知识