“垫架”概念、定义、翻译-科学时代

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。

单词	垫架
释义	交通运输工程词汇手册垫架 poppet
随便看	relative fitness relative flow relative flow coefficient relative flow rate relative fluidity index relative flying height relative flying height relative flying height relative flying height relative frequency relative frequency relative frequency relative frequency relative frequency distribution relative frequency of particle size relative gain relative geographical space relative geoidal height relative GPS relative gradient relative gravimeter relative gravity apparatus relative gravity measurement relative gravity measurement relative growth