| 单词 | surface plate |
| 释义 | > as lemmassurface plate surface plate n. †(a) a strip of iron serving as a rail of a railway (obsolete rare); (b) Engineering an accurately made flat plate, typically of granite or iron, for testing the trueness of a flat surface. ΘΚΠ society > occupation and work > equipment > equipment for marking out work > [noun] > instrument for checking markings straight-edge1812 surface plate1822 winding sticks1823 society > travel > rail travel > railway system or organization > [noun] > track > parts and fittings of rails string-piece1789 carriage1816 chair1816 pedestal1816 surface plate1822 web1835 frog1837 switch-bar1837 snake-head1845 fish1847 fish-joint1849 plate nail1849 fishing-key1852 fish-plate1855 joint-chair1856 rail chair1864 railhead1868 lead1871 fish-bar1872 splice-piece1875 fish-plating1881 splice-jointa1884 splice-bar1894 1822 London Jrnl. Arts & Sci. 3 242 The dimensions of the bars..intended to form the upper surface of a rail-way..are recommended to be 15 or 16 feet long..and ½ inch thick. At every eighteen inches or two feet of the length of the surface plate, a bolt is passed through. 1846 C. Holtzapffel Turning & Mech. Manip. II. 865 The operator must be provided with the means of testing the progressive advance of the work, he should therefore possess a true straight-edge, and a true surface-plate. 1953 K. J. Hume & G. H. Sharp Pract. Metrol. (1965) ii. xlii. 218 Remove the centres and examine them for straightness against a good surface plate, preferably lapped. 2003 R. Dawkins Devil's Chaplain i. 56 A ‘surface plate’ is a precisely machined plane surface, used for judging the flatness of objects. < as lemmas |
| 随便看 |
英语词典包含1132095条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。