“penetration”概念、定义、翻译-科学时代

单词	penetration
释义	动力与电气工程词汇手册 penetration 穿透；贯入件；贯入度
随便看	sea lawyer seal by C-ring seal by duplex conical ring seal by octagonal ring seal case seal character seal character seal character writing technique seal coat seal cutting seal-cutting art seal-cutting artist seal day sealed basin sealed battery sealed bid sealed bid sealed bid auction sealed-bid auction sealed bidding sealed cabin sealed cabin sealed cadmium-nickel battery sealed combustion heating system sealed container

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。