“sand-gravel cushion”的概念、定义、翻译、参考文献-科学参考

单词	sand-gravel cushion
释义	sand-gravel cushion 砂石垫层
随便看	straight (toothed) spur gear straight tooth gear straight-tooth (milling) cutter straight top straight trunnion end needle roller straight tube straighttube boiler straight-tube boiler straight tube steam generator straight tubular gland straight tubular motor straight tubule straight tubules straight tuner straight turning straight turning between centers straight-type engine straighttype wheel straight-vaned fluid flywheel straight venules straight vessels straight wall straight-wall bit straight-wall core shell straight-wall nozzle

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。