请输入您要查询的字词:


科学参考收录了1248194条科技类词条,基本涵盖了常见科技类参考文献及英语词汇的翻译,是科学学习和研究的有利工具。

railroad bridge railroad building railroad canvas railroad car railroad car axle
railroad chronometer railroad clearance railroad construction railroad crossbuck sign railroad crossing angle
railroad crossing gate railroad crossing sign railroad crossing signal railroad curve rail-road disease
railroad embankment railroad engineering railroader railroad export bill of lading railroad flak
railroad freight car railroad freight charge railroad freight rates railroad gauge railroad grade crossing
railroad gun railroad hauling car railroad hopper car railroading railroad intermodal yard
railroad jack railroad journal box railroad journal-box grease railroad line railroad lines opened to traffic
railroad logging railroad motor car railroad noise railroad nystagmus railroad overcrossing
railroad pen railroad platform railroad point railroad powder railroad rail
railroad ramp railroad rate schedule railroad (repair) shop railroad roller railroad rolling sequence
railroad saw railroad sawing machine railroad section railroad shoe railroad shovel
railroad siding railroad sleeper railroad slewer railroad spike railroad spur
railroad survey railroad switch railroad terminal railroad test track railroad thermit
railroad through transport railroad tie railroad track railroad track scale railroad transportation
railroad tunnel kiln railroad underbridge railroad warning sign railroad wharf railroad wheel lathe
rail rolling mill rails rails and accessories rail saw rail section
rail shift rail shifting machine rail skip rail-slitting mill rail slitting mill
rail specification rail spike rail splice rail square rail steel
rails tie plate rail straightener rail-straightening machine rail support rail surface
rail tank car rail tanker rail test rail tester rail thermit
rail tie bar rail tongs rail track rail traction rail transit
rail transport rail travel rail trimming machine rail trolley rail truck
rail turner rail type drawing frame rail-type hot bed rail tyre rail upright
rail vibration rail voltage rail wagon railway railway accidene
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