“earth (lead)”的概念、定义、翻译、参考文献-科学参考

单词	earth (lead)
释义	earth (lead) 地线
随便看	pull back (PB) pullback spring pull-behind pull-behind cylinder pull blade pullboat pull boring pull box pull-broaching pull budding pullbutton pull chain pull-chain operator pull contact pull-cord switch pull crack pull cut pull-cut shaper pulldevil pull-down pulldown pulldown bed pulldown claw pull-down (crystal) pull-down current

科学参考收录了1248194条科技类词条，基本涵盖了常见科技类参考文献及英语词汇的翻译，是科学学习和研究的有利工具。