| 单词 | dice-box insulator |
| 释义 | > as lemmasdice-box insulator c. attributive. Of the form of a dice-box. dice-box insulator, a hollow porcelain insulator of this shape for supporting a telegraph wire, which passes through the axis. ΘΚΠ the world > space > shape > curvature > curved three-dimensional shape or body > [adjective] > two cones base-to-base dice-box1841 biconical1870 1841 W. Spalding Italy & Ital. Islands I. 296 A smaller lake..backed by a range of rocks and a rude dice-box tower. 1895 W. Preece (in letter) The ‘dice-box’ insulator was invented by the late Mr. C. P. Walker; it was used on the South-Eastern Railway. < as lemmas |
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