“向下掘进炮孔组”概念、定义、翻译-科学时代

单词	向下掘进炮孔组
释义	请查阅凿井炮孔组--向下掘进炮孔组
随便看	by-election by-election fund Byelorussia byerite byerite byerlyte by hand level by kind of economic activity bylaw bylaw by-law bylaws by-level byline byline byline index byline index by market price byne bypass by-pass bypass bypass by-pass bypass

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。