“开钻”的概念、定义、翻译、参考文献-科学参考

单词	开钻
释义	开钻 Encyclopedia 工学钻前工程释 spud in开钻下入导管或各层套管后，第一只钻头开始破岩形成井眼的井下作业。又称开始钻进。
随便看	genetic counseling genetic definition genetic determinism genetic device genetic differentiation among populations of medicinal resources genetic disease genetic disease of animals genetic disease of digestive system genetic disease of neural and muscular system genetic disease of the reproductive system genetic diseases genetic diseases of endocrine system genetic disorder genetic distance genetic diversity genetic diversity of grass plants genetic diversity of invasive species genetic diversity of medicinal resources genetic diversity of weeds genetic draft genetic drift genetic effect genetic engineering genetic engineering of plant for disease resistance genetic engineering subunit vaccine

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