... 钻井进度drilling progress 钻井条件drilling condition 岩石的物理机械性质及可钻性rock physical mechanical properties and drillability ...
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tough drilling condition 困难钻井条件
abnormal drilling condition 异常钻井条件
downhole drilling condition 井下工况
drilling pump critical working condition 钻井泵的临界工作条件
Critical condition of drilling 金刚石钻进的临界规程
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