“上向炮孔--顶板炮孔”概念、定义、翻译-科学时代

单词	上向炮孔--顶板炮孔
释义	工程与技术词汇手册 roof hole 顶板炮孔；上向炮孔
随便看	da capo da capo aria da capo aria dacarbazine dacarbazine (DTIC) DACB (Drug Abuse Control Bureau) Dacca DAC--DAC (Development Assistance Committee) DAC--DAC (digital-analogue converter; digital-to-analogue converter) DAC--DAC (discretionary access control) DAC (Development Assistance Committee) DAC (digital-analogue converter; digital-to-analogue converter) DAC (digital-to-analog converter) DAC (digital-to-analogue converter) DAC (discretionary access control) dace Dachengguang dachiardite Dacia Dacia Dacian Stage dacisteine dacite dacite dacitoid

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。

roof hole