A.1hB.1.5hC.30minD.50min
A.25B.31C.28D.35
A.Au<0.0005g/l、Ag<0.003g/l、Se≤0.1g/l、Te≤0.1g/lB.Au≤0.0005g/l、Ag≤0.003g/l、Se<0.1g/l、Te<0.1g/lC.Au≤0.0005g/l、Ag≤0.003g/l、Se≤0.1g/l、Te≤0.1g/lD.Au<0.0005g/l、Ag<0.003g/l、Se<0.1g/l、Te<0.1g/l