“pusher tractor”的概念、定义、翻译、参考文献-科学参考

单词	pusher tractor
释义	pusher tractor [`pu̇sh·ǝr ´trak·tǝr] ^{MINING ENGINEERING} A bulldozer exerting pressure on the rear of a scraper-loader while the loader is digging and loading unconsolidated ground during opencast mining.
随便看	optical double star optical electronic reproducer optical element optical encoder optical exaltation optical fiber optical-fiber cable optical-fiber sensor optical figuring optical filter optical flat optical fluid-flow measurement optical frequency optical gage optical galaxy optical glass optical harmonic optical haze optical horizon optical indicator optical indicatrix optical information processor optical information system optical instrument optical interference

科学参考收录了103327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。