“spiral ramp development”的概念、定义、翻译、参考文献-科学参考

单词	spiral ramp development
释义	spiral ramp development Encyclopedia 工学公路运输开拓释 spiral ramp development螺旋式坑线开拓建立绕露天采场四周边帮以螺旋线方式改变运行方向的通道的公路运输开拓方式。
随便看	national defence engineering national defence film National Defense Committee of KMT national defense drama National Defense Education Act (U.S.A.) national defense forests national defense photography National Defense Theater Company National Democratic Congress national democratic movement in the Third World national desert expedition of China national desert park National Diet Library National Digital Library Construction and Service Joint Meeting National Digital Library Project of China National Digital Publishing Base in Guangdong National Digital Publishing Base in Jiangsu National Digital S&T Literature Preservation Infrastructure National Dinosaur Museum: Canberra National Doctoral Students Academic Forum of Information Science national "double first-class" discipline construction institutions in grassland science discipline National Drama Movement national drill-hole database National drug standards National Ecological Environment Construction Plan

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