“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	microwave dielectric properties microwave digestion instrument microwave diode microwave distance meter microwave doppler detectors microwave dryer micro-wave drying microwave drying microwave electronic tube microwave emission microwave excitation light source microwave excited electrodeless discharge lamp microwave excited thermoacoustic CT microwave extraction microwave extraction apparatus microwave ferrite device microwave ferrites microwave ferromagnetic materials microwave filter microwave filters microwave fragmentation microwave freauency for medical application microwave frequency for medical application microwave heating microwave heliograph

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