Precision EDM精密电火花precisionn.精确；精密度adj.精确的precision-cut liver slices精密肝切片技术precision-guided munitionsph.precision agriculture system精细农业系统Precision Gunnery Simulation精确射击模拟Precision Attitude Reference精确姿态基准precision presetting machine精密预调机床precision testing audiometer精密研究用测听计precision jig boring machine精密坐标镗床precision investment casting[机] 精密包模铸造法PRECISION TOOLS FOR DIE WORK模具用精密工具