“坚固岩层”概念、定义、翻译-科学时代

单词	坚固岩层
释义	矿业工程技术词汇手册坚固岩层 competent bed
随便看	ancathia ancestor ancestor ancestor-centered ancestor-centred ancestor cult ancestor language ancestor language ancestor spirit ancestor spirit ancestor worship ancestor worship ancestor worship ancestor worship ancestor worship ancestor worship ancestral heredity ancestral home ancestral petroleum ancestral qi ancestral shrine ancestral sinew ancestral tablet ancestral temple ancestral temple

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。