“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	characteristic ideal characteristic impedance characteristic impedence characteristic index characteristic integral equation characteristic ion characteristic length characteristic length instability of the combustion chamber characteristic line characteristic linear system characteristic line element characteristic manifold characteristic map characteristic mapping characteristic mass characteristic matrix characteristic measure characteristic method characteristic methods of polymers characteristic model-based intelligent adaptive control characteristic multiplier characteristic normal characteristic number characteristic number of a manifold characteristic number of a matrix

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