单词	graphite holder
释义	graphite holder 电极夹座
随便看	block diagram symbol block diagram symbols block diagram system block-diagram system block diameter block differential encoding block digital filter block-digram reduction block dimension block dimensions block diode block directed graph block direction block directional image block direction image Block direction image filter block discounting block discount policy Block Discrete Cosine Transform block disintegration block dispatch group Block dispersion and cast method block displacement and lag concentration block dissection Block dissection of groin