英语词汇“luffing-jib crane”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词

luffing-jib crane

释义

luff /luf/

noun

The forward edge of a fore-and-aft sail
The windward side of a ship
The act of sailing a ship close to the wind
The after part of a ship's bow where the planks begin to curve in towards the cutwater (also loof)

intransitive verb

To turn a ship towards the wind

transitive verb

ORIGIN: ME luff, lof(f), from OFr lof; poss from a conjectured MDu form loef (modern Du loef)

luffing crane or luffing-jib crane noun

A jib crane with the jib hinged at its lower end to the crane structure so as to allow alteration of its radius of action

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