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Vibration drilling
释义
Vibration drilling
Encyclopedia
理学
钻进方法
释
Vibration drilling
振动钻进
利用能产生周期振动的机械结构(振动器)驱动钻柱振动,通过对钻头施加钻压贯入地层,使得地层介质剪切破坏,实现钻进和取样目的的钻进方法。
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pulsating active nucleus
pulsating activity
pulsating binary
pulsating current
pulsating DB white dwarfs
pulsating magnetic field
pulsating radio source
pulsating star
pulsating universe
pulsating variable
pulsating variable star
pulsating white dwarf
pulsating X-ray source
pulsation
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pulsation axis
pulsation constant
pulsation equation
pulsation frequency
pulsation instability
pulsation instability strip
pulsation mass
pulsation mode
pulsation phase
pulsation pole
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