单词	富铁贝得石
释义	同--玄玻杏仁体--富铁贝得石
随便看	precision estimation precision finishing precision fire precision forging precision forging die precision fractional distillation precision frequency control precision frequency meter precision gage precision gauge precision glass linear scale precision graph recorder precision graph recorder，pgr precision grinder precision grinding precision grinding machine precision guidance technology precision-guided munition precision-guided munition (pgm) precision-guided munitions precision-guided munition 精确制导武器 precision image precision image processing precision index precision infrared tracking system