英语词汇“margin line”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

margin line n. Shipbuilding a line on the after hull of a boat or ship marked by the ends of the bottom timbers; (in later use) a notional waterline intended to ensure sufficient buoyancy should the hull be holed and not more than two compartments flooded (introduced in this sense by the British Board of Trade after the loss of the Titanic in 1912).

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1831 T. O'Scanlan Diccionario Marítimo Español App. 94/2 Line (Margin), línea del alefris del yugo principal.

1850 J. Greenwood Sailor's Sea-bk. 131 Margin line, a line or edge parallel to the upper side of the wing transom, and about five inches below it, at which place terminate all the butts of the bottom planks abaft.

1948 R. de Kerchove Internat. Maritime Dict. 447/1 Margin line, an imaginary fore-and-aft line used in floodable length calculations relating to the subdivision of ships. It is situated three inches below the upper surface of the bulkhead deck at the side.

单词	margin line
释义	> as lemmas margin line margin line n. Shipbuilding a line on the after hull of a boat or ship marked by the ends of the bottom timbers; (in later use) a notional waterline intended to ensure sufficient buoyancy should the hull be holed and not more than two compartments flooded (introduced in this sense by the British Board of Trade after the loss of the Titanic in 1912). ΚΠ 1831 T. O'Scanlan Diccionario Marítimo Español App. 94/2 Line (Margin), línea del alefris del yugo principal. 1850 J. Greenwood Sailor's Sea-bk. 131 Margin line, a line or edge parallel to the upper side of the wing transom, and about five inches below it, at which place terminate all the butts of the bottom planks abaft. 1948 R. de Kerchove Internat. Maritime Dict. 447/1 Margin line, an imaginary fore-and-aft line used in floodable length calculations relating to the subdivision of ships. It is situated three inches below the upper surface of the bulkhead deck at the side. extracted from marginn. < as lemmas
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> as lemmas