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

单词	percussion drilling
释义	percussion drilling Encyclopedia 理学钻进方法释 percussion drilling；vibration drilling冲击钻进在钻头上以一定频率施加冲击动能破碎岩土层的钻进方法。又称振动钻进。
随便看	Barometer Rising barometric altimeter barometric disturbance barometric height measurement barometric pressure barometrograph barometry baron Baron Franz Xaver von Zach barong Baron Jean Baptiste Joseph Fourier Baron Kelvin Baron Raffaele Garofalo barophoresis baroque architecture Baroque art Baroque Churches of the Philippines Baroque costume Baroque furniture baroque garden Baroque music baroreceptor baroreceptor reflex of the carotid sinus and aortic arch Baros camphor baroscope

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