“煤层气预探井”的概念、定义、翻译、参考文献-科学参考

单词	煤层气预探井
释义	煤层气预探井 Encyclopedia 理学煤层气勘查释 coalbed methane preliminary prospecting well煤层气预探井采用低固相或无固相等对煤层污染少的低密度钻井液钻取煤层，采用绳索取心或保压取心技术采取煤心，测试煤层含气量的、专门施工的工程井。
随便看	lower-most stratosphere lower nilradical lower one-sided limit lower order lower outer density lower paraselenea lower parhelion lower plant lower Privalov operator lower process capability index lower pure value lower quartile lower radical lower radical class lower relaxation method lower Riemann integral Lower Saxony lower semi continuity lower semi-continuity lower semicontinuity lower semi continuous lower semi-continuous lower semicontinuous lower semicontinuous decomposition lower semicontinuous equivalence

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。