“effective area”概念、定义、翻译-科学时代

单词	effective area
释义	机械工程词汇手册 effective area 有效面积
随便看	patchiness patchiness patching patching patching patching patching material patch map patchouli patchouli patchouli alcohol patchouli oil patchouly patch package patch panel patch planting patchplug patch reef patch thermocouple patch up patch up patchy aurora pate patella patella

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。

effective area