| 单词 | level luffing |
| 释义 | > as lemmaslevel luffing level luffing n. luffing in which the load is maintained at constant height; frequently attributive, as level luffing crane. ΘΚΠ society > occupation and work > industry > working with tools or equipment > [noun] > lifting or hoisting equipment windingc1440 slinging1685 windlassing1834 braking1857 level luffing1922 1922 H. H. Broughton Electr. Handling of Materials III. 33 Few level-luffing arrangements have been devised by crane makers on the Continent. 1963 R. Hammond Mobile & Movable Cranes iv. 110 Level luffing is achieved by the Babcock ‘swan neck’ supported by a fixed guy rope. 1971 Engineering Apr. 65 (advt.) Level luffing cranes. < as lemmas |
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