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

单词	peicussive-rotary drilling
释义	peicussive-rotary drilling Encyclopedia 理学钻进方法释 peicussive-rotary drilling冲击回转钻进在钻头已承受一定静载荷的基础上，以纵向冲击力和回转切削力共同破碎岩石的钻进方法。
随便看	sample of audio-visual products sample partial correlation coefficient sample path sample path property sample percentile sample plot sample point sample-population approach sample prepairing for microscopic-observing sample preparation sample preparation chip sample preparation/digestion equipment sample preparation instrument sample pretreatment sample pretreatment of free drug analysis sample pre-treatment technology sample pretreatment technology for pharmaceutical analysis sample process sample proof sample proportion sample quantile sample quartile sampler sample range sample raw moment

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