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| 单词 | channel bar |
| 释义 | > as lemmaschannel bar channel bar n. a beam or bar having upturned sides that form a channel along its length.channel bar iron in quot. 1855 probably refers to bar-iron having this form. ΘΚΠ society > occupation and work > materials > derived or manufactured material > metal > iron > [noun] > bar of iron > channel bar channel1844 channel iron1856 channel bar1862 channel section1866 1855 W. Clay Brit. Patent 1366 2 Single or double grooved or channel bar iron.] 1862 Illus. London News 9 Aug. 166/2 The compression-bars are formed of two angle irons riveted to the inner sides of the trough, and cross-braced by light channel bars. 1904 G. P. Neele Railway Reminisc. 219 Some channel bars of iron on a down goods train..had gradually shifted. 2002 B. Ashabranner Washington Monument v. 49 I-beams and channel bars were strongly fastened into the columns of the framework. < as lemmas |
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