“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	bottom heave bottom hole assembly of radial drilling bottom-hole flowing pressure bottom light bottom line ethics bottom loss bottomness bottom number bottom observation network bottom of a valley bottomonium bottom orifices bottom quark bottom reboiler bottom sampling bottom shear method bottom simulating reflector bottom Simulating Reflectors bottom simulating reflector，BSR bottom sowing and breeding of fishery bottom supported structure bottom surface emitting semiconductor laser bottom-up bottom up approach bottom-up approach

科学参考收录了854744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。