词汇	pilot drilling
释义	pilot drilling 导向钻进
随便看	impulse cylinder impulse cytophotometer impulsed impulse demodulator impulse density Impulse detection Impulse Detoctlon impulse deviser impulse dialing impulse differential counter impulse differential equations impulse differential inclusions impulse discharge impulse discharge capacity impulse discharge current impulse discharging wind tunnel impulse disorder impulse disorders impulse distance meter impulse distortion impulse disturbance impulse Doppler imaging impulse doublet impulse driven clock impulse-driven clock