“replacing bit without lifting drills”的概念、定义、翻译、参考文献-科学参考

单词	replacing bit without lifting drills
释义	replacing bit without lifting drills Encyclopedia 理学钻进工艺释 replacing bit without lifting drills不提钻换钻头绳索取心钻进过程中，在不起下钻的情况下，将孔底旧钻头单独或随内管总成一起打捞至地面，并将新钻头单独或随内管总成一起下入孔底进行钻进的作业。
随便看	discrete space discrete space-time discrete spectrum discrete state discrete stochastic process discrete straight line discrete structure discrete subcategory discrete subgroup discrete subset discrete sum discrete summand discrete surface discrete symmetry discrete system discrete time discrete-time channel discrete-time control system discrete time control systems discrete-time decision process discrete time dynamical system discrete-time dynamical system discrete-time game discrete time method discrete-time method

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