A.17.23% B.8.66% C.20.97% D.13.33%
A.1.50 B.1.60 C.1.70 D.1.80
A.鉆石與鈦酸鍶 B.釔鋁榴石與鉆石 C.鉆石與碳硅石 D.鉆石與立方氧化鋯