单词 | margin line |
释义 | margin line Naut. 1. an imaginary line used in making calculations regarding the flooding of hulls, running fore-and-aft 3 in. (8 cm) below the upper surface of the bulkhead deck at the side. 2. the line along which the planking on a transom-sterned vessel terminates aft. [1840-50] |
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