“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	sound power level' sound power meter sound premix Sound Press Ethics sound pressure sound pressure, acoustic pressure sound pressure level sound pressure meter sound pressure sensor sound probe soundproof soundproof for door and windows Sound-Proofing Felts and Blankets sound proof material sound propagation coefficient sound propagation in buildings sound pulse sound quality sound quality assessment sound quality of internal combustion engine sound radiated meter sound radiosity sound-ranging sound ray sound ray tracer

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