“护油圈”概念、定义、翻译-科学时代

单词	护油圈
释义	能源科学技术词汇手册护油圈 oil control ring
随便看	perforation perforation perforation perforation perforation perforation perforation ignition perforator perforator perforator perforatorium perforatorium perforin perforin perform performance performance performance performance performance performance performance performance performance performance

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。