“metal penetration”概念、定义、翻译-科学时代

单词	metal penetration
释义	矿业工程技术词汇手册 metal penetration 机械黏砂；金属渗入
随便看	current liabilities current liabilities current liabilities current liability current liability current life table current life table current limiter current limiter current line pointer current literature current literature currently insured status currently-used model atmosphere current map current mark current market value current market value current maturity current maturity current measurement current meter currentmeter current meter current meter

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。