“gas drainage in mining seam”的概念、定义、翻译、参考文献-科学参考

单词	gas drainage in mining seam
释义	gas drainage in mining seam Encyclopedia 工学瓦斯抽采释 gas drainage in mining seam开采层瓦斯抽采在煤层开采之前或采掘同时抽采开采煤层瓦斯的技术措施。又称本煤层瓦斯抽采。
随便看	upper Bohl exponent upper bound upper boundary upper boundary condition upper bound conjecture upper bounded upper boundedness principle upper bounded variable upper bound of a family upper bound of a function upper bound of an operator upper bound of a set upper Burkill integral Upper Capital City of the Jin Dynasty Upper Capital-Longquanfu of Bohai State Upper Capital of Jin Dynasty Upper cave human remains upper center series upper central chain upper central exponent upper central series upper chromosphere upper circle upper class upper class limit

科学参考收录了854744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。