“jumper steel”概念、定义、翻译-科学时代

单词	jumper steel
释义	机械工程词汇手册 jumper steel 钻杆钢，长凿钢
随便看	quantitative revolution quantitative revolution quantitative risk assessment quantitative sociology quantitative spectral analysis quantitative study quantitative target quantitative test quantitative thinning quantitative trade quota quantitative trade restriction quantitative trait quantitative variability quantitative variable quantitative verse quantitative water meter quantity quantity quantity quantity quantity quantity quantity quantity quantity

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。

jumper steel