单词	cantrail
释义	cantrail /ˈkantreɪl / noun British A piece of metal or timber supporting the roof of a railway carriage.To optimise resistance to shocks, the cantrail / chassis is carried out by both bolting and adhesive bonding.... Aluminium cantrails are made of extruded aluminium for lightness and anodised to eliminate oxidation. The old cantrail on the fitting side of the coach has been cut in two places to create three shorter sections. Origin Late 19th century: from cant2 + rail1.
随便看	biconvex bicultural biculturalism bi-curious bicuspid bicuspid valve bicycle bicycle basket bicycle chain bicycle clip bicycle courier bicycle ergometer bicycle gymkhana bicycle helmet bicycle kick bicycle lane bicycle messenger bicycle motocross bicycle path bicycle polo bicycle pump bicycler bicycle rickshaw bicycle shed bicycle shorts

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