题目详情
单选题 30.Charted depth is the _________________
A. vertical distance from the chart datum to the ocean bottom
B. average height of water over a specified period of time
C. vertical distance from the chart datum to the ocean bottom,plus the height of tide
D. average height of all low waters at a place

学科:大证复习
时间:2025-06-17 08:56:48
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