“percussion and rotary drilling”的概念、定义、翻译、参考文献-科学参考

单词	percussion and rotary drilling
释义	percussion and rotary drilling Encyclopedia 工学钻井方法释 percussion and rotary drilling冲击旋转钻井在普通旋转钻进的基础上同时使用冲击器，使钻头在冲击动载和静压旋转的联合作用下破碎岩石的钻井方法。
随便看	in-situ monitoring in rock mass engineering in-situ multi-parameter seawater quality meter in situmulti-physical fields tester in situ neutron activation analysis in situ observation in-situ oxidation ceramic matrix composites in-situ passivation technique in situ PCR in-situ Physical measurement under High Pressure and High Temperature in-situ polymerization in-situ polymerization process in situ protection of Chinese materia medica resources in situ quantitation in-situ remediation of groundwater in situ remediation technology of groundwater in situ resource utilization of extraterrestrial celestial body in situ reverse PCR in situ rock mechanics properties experiments in-situ sampling techniques in-situ seafloor observing station in situ self- sustained sequence replication reaction in situ separation coupled fermentation in-situ shear test in situ spore in-situ stress measurement of mine

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