短語(yǔ)詞組短語(yǔ)precision n surface grinding machine 精密平麪磨牀high precision surface grinding machine 高精度平麪磨牀;高精度臥軸平麪磨ultra -precision surface grinding machine 超精密平麪磨牀precision diamond -wheeled surface grinding machine 精密金剛石砂輪表麪磨牀 返回 precision surface grinding machine