“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	food factory design food factory water food-feed crop integration food firming agent food flavor food flavor enhancer food flavoring food for infants and young child food for special dietary uses food for special medical porposes food fortification food freezing and refrigeration equipment food frequency questionnaire，FFQ food grading food habit food hazard food hazard identification food heat treatment machinery food hoarding behavior food hygiene Food Hygiene Management for Catering Industries （China） Food Hygiene Test Handbook food identification food industry sewerage food ingredient

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