“预抽”的概念、定义、翻译、参考文献-科学参考

单词	预抽
释义	预抽 Physics forepumping前级抽气，预抽 preevacuate预抽
随便看	segmented mirror segmented mirror telescope segmented number segmented optics segmented rod laser segmented solid rocket motor segmented uncemented liners completion segment electrode segmenter segment intersection segment of a broken line segment of a channel segment of a circle segment of a curve segment of a series segment of a sphere segment of a word segment of information segment of ordinals segment of support segment overlay segment report segmentwise convergence segmentwise convergent segment without contact

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。