| 单词 | saddle rail |
| 释义 | > as lemmassaddle rail saddle rail n. Railways (now disused) a form of rail having flanges that rest on the ballast or straddle a longitudinal sleeper. ΘΚΠ society > travel > rail travel > railway system or organization > [noun] > track > types of rail bridge rail1759 rack rail1829 light rail1836 saddle rail1837 T rail1837 rack1847 foot rail1856 tooth-rail1862 U-rail1868 strap-rail1874 check-rail1876 cog-rail1884 1837 Mechanics' Mag. 26 329/1 (heading) Improved timber-railway base, and saddle-rail. 1858 Jrnl. Soc. Arts 6 385/2 The saddle rail..like that used on the Great Western. 1876 E. H. Knight Amer. Mech. Dict. (new ed.) III. 2011/2 Saddle-rail, a railway rail which has flanges straddling a longitudinal and continuous sleeper. 1915 T. W. Barber Civil Engin. Types & Devices 98 (caption) Saddle rail on longitudinal V timber sleeper. < as lemmas |
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