“oil control ring”概念、定义、翻译-科学时代

单词	oil control ring
释义	能源科学技术词汇手册 oil control ring 护油圈
随便看	chartist chartist chartist Chartist Movement Chartist Movement chart large correction chart numbering chart of accounts chart of marine gravity anomaly chart of nuclides chartolepis chart projection chart reference charts chart scale chart small correction chart subdivision charts，the chart title chart title chart type chase chase chase chase

科学时代收录了1160609条科普词条，基本涵盖了常见科普常识及英语词汇的翻译，是科学学习和研究的有利工具。