词汇	johson block
释义	johson block 块规
随便看	impulse crowding impulse current impulse current apparatus impulse current automatic butt welding machine impulse current experiment impulse current generator impulse current meter impulse current method impulse current relay impulse current seam welding machine impulse current shunt impulse current shunts impulse current system impulse current test impulse cutting machine impulse cycle impulse cylinder impulse cytophotometer impulsed impulse demodulator impulse density Impulse detection Impulse Detoctlon impulse deviser impulse dialing