“engine preventive maintenance”的概念、定义、翻译、参考文献-科学参考

单词	engine preventive maintenance
释义	engine preventive maintenance 发动机预防性保养
随便看	oxygen debt oxygen decarbonizing oxygen-deficient oxygen deficit oxygen demand oxygen diffusing capacity oxygen difluoride oxygen dissociation curve oxygen distribution oxygen ear oxygen effect oxygen eliminating agent oxygen enema oxygen-enriched air oxygen equipment oxygenerator oxygen exhauster oxygen family element oxygen-flask method oxygen flow indicator oxygen flow meter oxygen free oxygen-free oxygen-free copper oxygen-free flux

科学参考收录了1248194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。