单词 | luffing |
释义 | > as lemmasˈluffing ˈluffing n. so luffing-in, luffing-out. ΚΠ 1775 J. Ash New Dict. Eng. Lang. Suppl. Loofing, the act of bringing to the wind. 1886 J. M. Caulfeild Seamanship Notes 2 Luffing..would be correct. 1913 Engineering 9 May 632/1 Greater acceleration in luffing is also obtained. 1922 H. H. Broughton Electr. Handling of Materials III. ii. 41 The design is exceedingly simple, the level path being obtained by the automatic paying-out or taking-in of the load rope during the operations of luffing in and luffing out respectively. 1963 R. Hammond Mobile & Movable Cranes vi. 181 The luffing motion control equipment consists of a negative-phase sequence panel, with contactors to give plain rotor-controlled ‘luffing-in’ and ‘luffing-out’ by the unbalancing of the stator voltages of the motor through an inbuilt transformer. < as lemmas |
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