“pin rammer”概念、定义、翻译-科学时代

单词	pin rammer
释义	矿业工程技术词汇手册 pin rammer 扁头夯砂锤；手工捣锤
随便看	scratch-pad memory scratchpad memory scratch reflex scratch tape scrawl screamer screaming meemie scree scree scree scree screed scree diagram screen screen screen screen screen screen screen screen screen screen screen screen

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。