短語(yǔ)詞組短語(yǔ)gas eutectic directional solidification 氣體共晶定向凝固gas -metal eutectic unidirectional solidification 氣體eutectic solidification theory 共晶凝固理論Abnormal solidification eutectic 非正常共晶凝固組織 返回 eutectic solidification