| 单词 | tooth-rail | 
| 释义 | > as lemmastooth-rail   tooth-rail  n. a tramway rail having teeth or cogs. 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 1862    S. Smiles Lives Engineers III. 85  				Mr. Blenkinsop of Leeds, in 1811, took out a patent for a racked or tooth-rail. < as lemmas  | 
	
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