单词 | masting shears |
释义 | > as lemmasmasting shears masting shears n. a hoisting device used to raise masts. ΚΠ 1875 E. H. Knight Amer. Mech. Dict. II. 1407/2 Masting-shears, a hoisting device consisting of two spars and one or more guys, used to elevate masts on end to put them in position aboard vessels, or remove them from vessels. 1893 K. P. Dahlstrom tr. J. Weisbach & G. Herrmann Mech. Hoisting Machinery vi. 252 A large masting sheers designed at the machine works at Waltjen, in Bremen. < as lemmas |
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