“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	aero-engine starting system aero-engine station aero-engine stealth design aero-engine structural integrity aero-engine testability aero-engine thermal efficiency aero-enginethermal management aero-engine thermodynamics cycle aero-engine three proofings design aeroengine thrust aero-engine trend analysis aero-engine turbine aero-engine turbine blade aero-engine turbine blade coating aero-engine turbine casing aero-engine turbine component test aero-engine turbine cooling aero-engine turbine disk aero-engine vibration measurement aero-engine virtual test aerofloat aerofoil aero gas turbine engine aerogel aerogradiometer

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