“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	plant disease prevalent plant disease resistance plant diseases and insect pests control plant diseases and insect pests prediction model of agriculture plant domestication plant dominance plant dormancy plant drought tolerance plant dyeing plant ecology plant ecophysiology of temperature planted forest planted forest resources of China planted plane tree planted tree plant electrical control system plant embryology plant epidermis planter planter with plastic sheeting plant experimental embryology plant exposure dose plant expression vector plant extract plant extracts

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