单词 | gadding machine |
释义 | > as lemmasgadding machine gadding machine a machine designed to drill straight lines of holes in rock for the insertion of gads, consisting of one or more rock drills mounted on a wheeled platform; cf. gadder n.2 ΚΠ 1877 Vermont Hist. Gazetteer 3 1068/1 One Wardwell machine and two gadding machines, manufactured by said Company, are used in the quarry. 1908 Bull. U.S. Geol. Surv. No. 347 195 A quarry consisting of a pit 12 feet deep was opened on a marble deposit close to tide water, a channeling and gadding machine was installed, and a cutting plant operated by steam power was erected. 2006 Internat. Jrnl. Coal Geol. 67 97/2 The T685WS gadding machine, made by Schrammin Corporation, USA, was employed to drill boreholes. < as lemmas |
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