A.砷 B.氟 C.鈣 D.磷 E.硫氰酸鹽
A.5%~10%B.10%~15%C.15%~25%D.25%~40%E.40%~60%
A.5%~10% B.10%~15% C.15%~25% D.25%~40% E.40%~60%