“drilling tool”的概念、定义、翻译、参考文献-科学参考

单词	drilling tool
释义	drilling tool Encyclopedia 理学孔内钻具释 drilling tool钻具钻探施工时，在钻孔内的整根钻探管材柱及其接头的总称。
随便看	radiation density radiation-density constant radiation density meter radiation destruction radiation detection radiation detector radiation detector assembly radiation detector signal amplification and readout circuit radiation direct action radiation directivity radiation disinfestation radiation displacement effect radiation dominated era radiation-dominated fluid radiation dominated gas radiation dominated universe radiation dose radiation dose measurement radiation dose monitoring radiation dosimeter Radiation dosimetry radiation dosimetry radiation drag radiation driven radiation drying

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