“罗茨真空泵”的概念、定义、翻译、参考文献-科学参考

单词	罗茨真空泵
释义	罗茨真空泵 Encyclopedia 工学真空泵释 roots vacuum pump罗茨真空泵靠泵腔内一对叶形转子同步、反向旋转的推压作用来移动气体而实现抽气的真空泵。
随便看	central derivative central diaphragm method central difference central difference; centered difference central difference notation central difference operator central difference quotient central dilation central disaster-prevention green space central dislocation of hip joint central distributed PV inverter system central distribution Central District central divided difference central division algebra central dogma central-Dominated galaxy central eclipse central edge Central Education Council Central Electricity Research Laboratory central element central emergency response agency central endomorphism central enterprise

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。